mirror of
https://github.com/nspcc-dev/neo-go.git
synced 2024-12-13 15:45:01 +00:00
68fc8168ec
It uses a bit different output format than getalltransfertx, so TransferTxEvent type was adjusted accordingly.
636 lines
20 KiB
Go
636 lines
20 KiB
Go
package client
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import (
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"encoding/hex"
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"github.com/nspcc-dev/neo-go/pkg/core"
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"github.com/nspcc-dev/neo-go/pkg/core/block"
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"github.com/nspcc-dev/neo-go/pkg/core/transaction"
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"github.com/nspcc-dev/neo-go/pkg/encoding/address"
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"github.com/nspcc-dev/neo-go/pkg/io"
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"github.com/nspcc-dev/neo-go/pkg/rpc/request"
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"github.com/nspcc-dev/neo-go/pkg/rpc/response/result"
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"github.com/nspcc-dev/neo-go/pkg/smartcontract"
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"github.com/nspcc-dev/neo-go/pkg/util"
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"github.com/nspcc-dev/neo-go/pkg/wallet"
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"github.com/pkg/errors"
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)
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// GetAccountState returns detailed information about a NEO account.
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func (c *Client) GetAccountState(address string) (*result.AccountState, error) {
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var (
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params = request.NewRawParams(address)
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resp = &result.AccountState{}
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)
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if err := c.performRequest("getaccountstate", params, resp); err != nil {
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return nil, err
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}
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return resp, nil
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}
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// GetAllTransferTx returns all transfer transactions for a given account within
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// specified timestamps (by block time) with specified output limits and page. It
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// only works with neo-go 0.78.0+ servers.
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func (c *Client) GetAllTransferTx(acc util.Uint160, start, end uint32, limit, page int) ([]result.TransferTx, error) {
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var (
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params = request.NewRawParams(acc.StringLE(), start, end, limit, page)
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resp = new([]result.TransferTx)
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)
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if err := c.performRequest("getalltransfertx", params, resp); err != nil {
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return nil, err
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}
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return *resp, nil
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}
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// GetApplicationLog returns the contract log based on the specified txid.
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func (c *Client) GetApplicationLog(hash util.Uint256) (*result.ApplicationLog, error) {
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var (
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params = request.NewRawParams(hash.StringLE())
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resp = &result.ApplicationLog{}
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)
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if err := c.performRequest("getapplicationlog", params, resp); err != nil {
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return nil, err
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}
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return resp, nil
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}
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// GetAssetState queries the asset information, based on the specified asset number.
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func (c *Client) GetAssetState(hash util.Uint256) (*result.AssetState, error) {
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var (
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params = request.NewRawParams(hash.StringLE())
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resp = &result.AssetState{}
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)
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if err := c.performRequest("getassetstate", params, resp); err != nil {
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return nil, err
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}
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return resp, nil
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}
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// GetBestBlockHash returns the hash of the tallest block in the main chain.
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func (c *Client) GetBestBlockHash() (util.Uint256, error) {
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var resp = util.Uint256{}
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if err := c.performRequest("getbestblockhash", request.NewRawParams(), &resp); err != nil {
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return resp, err
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}
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return resp, nil
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}
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// GetBlockCount returns the number of blocks in the main chain.
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func (c *Client) GetBlockCount() (uint32, error) {
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var resp uint32
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if err := c.performRequest("getblockcount", request.NewRawParams(), &resp); err != nil {
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return resp, err
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}
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return resp, nil
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}
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// GetBlockByIndex returns a block by its height.
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func (c *Client) GetBlockByIndex(index uint32) (*block.Block, error) {
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return c.getBlock(request.NewRawParams(index))
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}
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// GetBlockByHash returns a block by its hash.
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func (c *Client) GetBlockByHash(hash util.Uint256) (*block.Block, error) {
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return c.getBlock(request.NewRawParams(hash.StringLE()))
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}
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func (c *Client) getBlock(params request.RawParams) (*block.Block, error) {
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var (
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resp string
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err error
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b *block.Block
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)
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if err = c.performRequest("getblock", params, &resp); err != nil {
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return nil, err
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}
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blockBytes, err := hex.DecodeString(resp)
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if err != nil {
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return nil, err
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}
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r := io.NewBinReaderFromBuf(blockBytes)
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b = new(block.Block)
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b.DecodeBinary(r)
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if r.Err != nil {
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return nil, r.Err
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}
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return b, nil
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}
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// GetBlockByIndexVerbose returns a block wrapper with additional metadata by
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// its height.
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// NOTE: to get transaction.ID and transaction.Size, use t.Hash() and io.GetVarSize(t) respectively.
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func (c *Client) GetBlockByIndexVerbose(index uint32) (*result.Block, error) {
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return c.getBlockVerbose(request.NewRawParams(index, 1))
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}
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// GetBlockByHashVerbose returns a block wrapper with additional metadata by
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// its hash.
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func (c *Client) GetBlockByHashVerbose(hash util.Uint256) (*result.Block, error) {
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return c.getBlockVerbose(request.NewRawParams(hash.StringLE(), 1))
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}
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func (c *Client) getBlockVerbose(params request.RawParams) (*result.Block, error) {
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var (
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resp = &result.Block{}
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err error
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)
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if err = c.performRequest("getblock", params, resp); err != nil {
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return nil, err
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}
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return resp, nil
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}
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// GetBlockHash returns the hash value of the corresponding block, based on the specified index.
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func (c *Client) GetBlockHash(index uint32) (util.Uint256, error) {
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var (
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params = request.NewRawParams(index)
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resp = util.Uint256{}
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)
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if err := c.performRequest("getblockhash", params, &resp); err != nil {
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return resp, err
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}
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return resp, nil
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}
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// GetBlockHeader returns the corresponding block header information from serialized hex string
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// according to the specified script hash.
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func (c *Client) GetBlockHeader(hash util.Uint256) (*block.Header, error) {
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var (
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params = request.NewRawParams(hash.StringLE())
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resp string
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h *block.Header
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)
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if err := c.performRequest("getblockheader", params, &resp); err != nil {
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return nil, err
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}
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headerBytes, err := hex.DecodeString(resp)
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if err != nil {
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return nil, err
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}
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r := io.NewBinReaderFromBuf(headerBytes)
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h = new(block.Header)
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h.DecodeBinary(r)
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if r.Err != nil {
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return nil, r.Err
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}
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return h, nil
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}
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// GetBlockHeaderVerbose returns the corresponding block header information from Json format string
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// according to the specified script hash.
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func (c *Client) GetBlockHeaderVerbose(hash util.Uint256) (*result.Header, error) {
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var (
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params = request.NewRawParams(hash.StringLE(), 1)
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resp = &result.Header{}
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)
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if err := c.performRequest("getblockheader", params, resp); err != nil {
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return nil, err
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}
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return resp, nil
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}
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// GetBlockSysFee returns the system fees of the block, based on the specified index.
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func (c *Client) GetBlockSysFee(index uint32) (util.Fixed8, error) {
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var (
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params = request.NewRawParams(index)
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resp util.Fixed8
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)
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if err := c.performRequest("getblocksysfee", params, &resp); err != nil {
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return resp, err
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}
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return resp, nil
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}
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// getBlockTransferTx is an internal version of GetBlockTransferTxByIndex/GetBlockTransferTxByHash.
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func (c *Client) getBlockTransferTx(param interface{}) ([]result.TransferTx, error) {
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var (
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params = request.NewRawParams(param)
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resp = new([]result.TransferTx)
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)
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if err := c.performRequest("getblocktransfertx", params, resp); err != nil {
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return nil, err
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}
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return *resp, nil
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}
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// GetBlockTransferTxByIndex returns all transfer transactions from a block.
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// It only works with neo-go 0.79.0+ servers.
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func (c *Client) GetBlockTransferTxByIndex(index uint32) ([]result.TransferTx, error) {
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return c.getBlockTransferTx(index)
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}
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// GetBlockTransferTxByHash returns all transfer transactions from a block.
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// It only works with neo-go 0.79.0+ servers.
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func (c *Client) GetBlockTransferTxByHash(hash util.Uint256) ([]result.TransferTx, error) {
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return c.getBlockTransferTx(hash)
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}
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// GetClaimable returns tx outputs which can be claimed.
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func (c *Client) GetClaimable(address string) (*result.ClaimableInfo, error) {
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params := request.NewRawParams(address)
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resp := new(result.ClaimableInfo)
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if err := c.performRequest("getclaimable", params, resp); err != nil {
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return nil, err
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}
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return resp, nil
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}
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// GetConnectionCount returns the current number of connections for the node.
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func (c *Client) GetConnectionCount() (int, error) {
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var (
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params = request.NewRawParams()
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resp int
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)
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if err := c.performRequest("getconnectioncount", params, &resp); err != nil {
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return resp, err
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}
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return resp, nil
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}
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// GetContractState queries contract information, according to the contract script hash.
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func (c *Client) GetContractState(hash util.Uint160) (*result.ContractState, error) {
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var (
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params = request.NewRawParams(hash.StringLE())
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resp = &result.ContractState{}
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)
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if err := c.performRequest("getcontractstate", params, resp); err != nil {
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return resp, err
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}
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return resp, nil
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}
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// GetNEP5Balances is a wrapper for getnep5balances RPC.
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func (c *Client) GetNEP5Balances(address util.Uint160) (*result.NEP5Balances, error) {
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params := request.NewRawParams(address.StringLE())
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resp := new(result.NEP5Balances)
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if err := c.performRequest("getnep5balances", params, resp); err != nil {
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return nil, err
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}
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return resp, nil
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}
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// GetNEP5Transfers is a wrapper for getnep5transfers RPC. Address parameter
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// is mandatory, while all the others are optional. Start and stop parameters
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// are supported since neo-go 0.77.0 and limit and page since neo-go 0.78.0.
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// These parameters are positional in the JSON-RPC call, you can't specify limit
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// and not specify start/stop for example.
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func (c *Client) GetNEP5Transfers(address string, start, stop *uint32, limit, page *int) (*result.NEP5Transfers, error) {
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params := request.NewRawParams(address)
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if start != nil {
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params.Values = append(params.Values, *start)
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if stop != nil {
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params.Values = append(params.Values, *stop)
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if limit != nil {
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params.Values = append(params.Values, *limit)
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if page != nil {
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params.Values = append(params.Values, *page)
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}
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} else if page != nil {
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return nil, errors.New("bad parameters")
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}
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} else if limit != nil || page != nil {
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return nil, errors.New("bad parameters")
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}
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} else if stop != nil || limit != nil || page != nil {
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return nil, errors.New("bad parameters")
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}
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resp := new(result.NEP5Transfers)
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if err := c.performRequest("getnep5transfers", params, resp); err != nil {
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return nil, err
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}
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return resp, nil
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}
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// GetPeers returns the list of nodes that the node is currently connected/disconnected from.
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func (c *Client) GetPeers() (*result.GetPeers, error) {
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var (
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params = request.NewRawParams()
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resp = &result.GetPeers{}
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)
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if err := c.performRequest("getpeers", params, resp); err != nil {
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return resp, err
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}
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return resp, nil
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}
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// GetRawMemPool returns the list of unconfirmed transactions in memory.
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func (c *Client) GetRawMemPool() ([]util.Uint256, error) {
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var (
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params = request.NewRawParams()
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resp = new([]util.Uint256)
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)
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if err := c.performRequest("getrawmempool", params, resp); err != nil {
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return *resp, err
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}
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return *resp, nil
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}
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// GetRawTransaction returns a transaction by hash.
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func (c *Client) GetRawTransaction(hash util.Uint256) (*transaction.Transaction, error) {
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var (
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params = request.NewRawParams(hash.StringLE())
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resp string
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err error
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)
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if err = c.performRequest("getrawtransaction", params, &resp); err != nil {
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return nil, err
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}
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txBytes, err := hex.DecodeString(resp)
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if err != nil {
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return nil, err
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}
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r := io.NewBinReaderFromBuf(txBytes)
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tx := new(transaction.Transaction)
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tx.DecodeBinary(r)
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if r.Err != nil {
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return nil, r.Err
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}
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return tx, nil
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}
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// GetRawTransactionVerbose returns a transaction wrapper with additional
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// metadata by transaction's hash.
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// NOTE: to get transaction.ID and transaction.Size, use t.Hash() and io.GetVarSize(t) respectively.
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func (c *Client) GetRawTransactionVerbose(hash util.Uint256) (*result.TransactionOutputRaw, error) {
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var (
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params = request.NewRawParams(hash.StringLE(), 1)
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resp = &result.TransactionOutputRaw{}
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err error
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)
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if err = c.performRequest("getrawtransaction", params, resp); err != nil {
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return nil, err
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}
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return resp, nil
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}
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// GetStorage returns the stored value, according to the contract script hash and the stored key.
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func (c *Client) GetStorage(hash util.Uint160, key []byte) ([]byte, error) {
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var (
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params = request.NewRawParams(hash.StringLE(), hex.EncodeToString(key))
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resp string
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)
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if err := c.performRequest("getstorage", params, &resp); err != nil {
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return nil, err
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}
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res, err := hex.DecodeString(resp)
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if err != nil {
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return nil, err
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}
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return res, nil
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}
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// GetTransactionHeight returns the block index in which the transaction is found.
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func (c *Client) GetTransactionHeight(hash util.Uint256) (uint32, error) {
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var (
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params = request.NewRawParams(hash.StringLE())
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resp uint32
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)
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if err := c.performRequest("gettransactionheight", params, &resp); err != nil {
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return resp, err
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}
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return resp, nil
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}
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// GetTxOut returns the corresponding unspent transaction output information (returned change),
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// based on the specified hash and index.
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func (c *Client) GetTxOut(hash util.Uint256, num int) (*result.TransactionOutput, error) {
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var (
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params = request.NewRawParams(hash.StringLE(), num)
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resp = &result.TransactionOutput{}
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)
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if err := c.performRequest("gettxout", params, resp); err != nil {
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return resp, err
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}
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return resp, nil
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}
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// GetUnclaimed returns unclaimed GAS amount of the specified address.
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func (c *Client) GetUnclaimed(address string) (*result.Unclaimed, error) {
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var (
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params = request.NewRawParams(address)
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resp = &result.Unclaimed{}
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)
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if err := c.performRequest("getunclaimed", params, resp); err != nil {
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return nil, err
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}
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return resp, nil
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}
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// GetUnspents returns UTXOs for the given NEO account.
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func (c *Client) GetUnspents(address string) (*result.Unspents, error) {
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var (
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params = request.NewRawParams(address)
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resp = &result.Unspents{}
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)
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if err := c.performRequest("getunspents", params, resp); err != nil {
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return nil, err
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}
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return resp, nil
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}
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// GetUTXOTransfers is a wrapper for getutxoransfers RPC. Address parameter
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// is mandatory, while all the others are optional. It's only supported since
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// neo-go 0.77.0 with limit and page parameters only since neo-go 0.78.0.
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// These parameters are positional in the JSON-RPC call, you can't specify limit
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// and not specify start/stop for example.
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func (c *Client) GetUTXOTransfers(address string, start, stop *uint32, limit, page *int) (*result.GetUTXO, error) {
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params := request.NewRawParams(address)
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if start != nil {
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params.Values = append(params.Values, *start)
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if stop != nil {
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params.Values = append(params.Values, *stop)
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if limit != nil {
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params.Values = append(params.Values, *limit)
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if page != nil {
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params.Values = append(params.Values, *page)
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}
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} else if page != nil {
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return nil, errors.New("bad parameters")
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}
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} else if limit != nil || page != nil {
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return nil, errors.New("bad parameters")
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}
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} else if stop != nil || limit != nil || page != nil {
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return nil, errors.New("bad parameters")
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}
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resp := new(result.GetUTXO)
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if err := c.performRequest("getutxotransfers", params, resp); err != nil {
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return nil, err
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}
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return resp, nil
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}
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// GetValidators returns the current NEO consensus nodes information and voting status.
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func (c *Client) GetValidators() ([]result.Validator, error) {
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var (
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params = request.NewRawParams()
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resp = new([]result.Validator)
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)
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if err := c.performRequest("getvalidators", params, resp); err != nil {
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return nil, err
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}
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return *resp, nil
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}
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// GetVersion returns the version information about the queried node.
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func (c *Client) GetVersion() (*result.Version, error) {
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var (
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params = request.NewRawParams()
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resp = &result.Version{}
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)
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if err := c.performRequest("getversion", params, resp); err != nil {
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return nil, err
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}
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return resp, nil
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}
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// InvokeScript returns the result of the given script after running it true the VM.
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// NOTE: This is a test invoke and will not affect the blockchain.
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func (c *Client) InvokeScript(script string, hashesForVerifying []util.Uint160) (*result.Invoke, error) {
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params := request.NewRawParams(script)
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return c.invokeSomething("invokescript", params, hashesForVerifying)
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}
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// InvokeFunction returns the results after calling the smart contract scripthash
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|
// with the given operation and parameters.
|
|
// NOTE: this is test invoke and will not affect the blockchain.
|
|
func (c *Client) InvokeFunction(script, operation string, params []smartcontract.Parameter, hashesForVerifying []util.Uint160) (*result.Invoke, error) {
|
|
p := request.NewRawParams(script, operation, params)
|
|
return c.invokeSomething("invokefunction", p, hashesForVerifying)
|
|
}
|
|
|
|
// Invoke returns the results after calling the smart contract scripthash
|
|
// with the given parameters.
|
|
// NOTE: this is test invoke and will not affect the blockchain.
|
|
func (c *Client) Invoke(script string, params []smartcontract.Parameter, hashesForVerifying []util.Uint160) (*result.Invoke, error) {
|
|
p := request.NewRawParams(script, params)
|
|
return c.invokeSomething("invoke", p, hashesForVerifying)
|
|
}
|
|
|
|
// invokeSomething is an inner wrapper for Invoke* functions
|
|
func (c *Client) invokeSomething(method string, p request.RawParams, hashesForVerifying []util.Uint160) (*result.Invoke, error) {
|
|
var resp = new(result.Invoke)
|
|
if hashesForVerifying != nil {
|
|
p.Values = append(p.Values, hashesForVerifying)
|
|
}
|
|
if err := c.performRequest(method, p, resp); err != nil {
|
|
return nil, err
|
|
}
|
|
return resp, nil
|
|
}
|
|
|
|
// SendRawTransaction broadcasts a transaction over the NEO network.
|
|
// The given hex string needs to be signed with a keypair.
|
|
// When the result of the response object is true, the TX has successfully
|
|
// been broadcasted to the network.
|
|
func (c *Client) SendRawTransaction(rawTX *transaction.Transaction) error {
|
|
var (
|
|
params = request.NewRawParams(hex.EncodeToString(rawTX.Bytes()))
|
|
resp bool
|
|
)
|
|
if err := c.performRequest("sendrawtransaction", params, &resp); err != nil {
|
|
return err
|
|
}
|
|
if !resp {
|
|
return errors.New("sendrawtransaction returned false")
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// SubmitBlock broadcasts a raw block over the NEO network.
|
|
func (c *Client) SubmitBlock(b block.Block) error {
|
|
var (
|
|
params request.RawParams
|
|
resp bool
|
|
)
|
|
buf := io.NewBufBinWriter()
|
|
b.EncodeBinary(buf.BinWriter)
|
|
if err := buf.Err; err != nil {
|
|
return err
|
|
}
|
|
params = request.NewRawParams(hex.EncodeToString(buf.Bytes()))
|
|
|
|
if err := c.performRequest("submitblock", params, &resp); err != nil {
|
|
return err
|
|
}
|
|
if !resp {
|
|
return errors.New("submitblock returned false")
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// TransferAsset sends an amount of specific asset to a given address.
|
|
// This call requires open wallet. (`wif` key in client struct.)
|
|
// If response.Result is `true` then transaction was formed correctly and was written in blockchain.
|
|
func (c *Client) TransferAsset(asset util.Uint256, address string, amount util.Fixed8) (util.Uint256, error) {
|
|
var (
|
|
err error
|
|
rawTx *transaction.Transaction
|
|
txParams = request.ContractTxParams{
|
|
AssetID: asset,
|
|
Address: address,
|
|
Value: amount,
|
|
WIF: c.WIF(),
|
|
Balancer: c.opts.Balancer,
|
|
}
|
|
resp util.Uint256
|
|
)
|
|
|
|
if rawTx, err = request.CreateRawContractTransaction(txParams); err != nil {
|
|
return resp, errors.Wrap(err, "failed to create raw transaction")
|
|
}
|
|
if err = c.SendRawTransaction(rawTx); err != nil {
|
|
return resp, errors.Wrap(err, "failed to send raw transaction")
|
|
}
|
|
return rawTx.Hash(), nil
|
|
}
|
|
|
|
// SignAndPushInvocationTx signs and pushes given script as an invocation
|
|
// transaction using given wif to sign it and spending the amount of gas
|
|
// specified. It returns a hash of the invocation transaction and an error.
|
|
func (c *Client) SignAndPushInvocationTx(script []byte, acc *wallet.Account, sysfee util.Fixed8, netfee util.Fixed8) (util.Uint256, error) {
|
|
var txHash util.Uint256
|
|
var err error
|
|
|
|
tx := transaction.NewInvocationTX(script, sysfee)
|
|
gas := sysfee + netfee
|
|
|
|
if gas > 0 {
|
|
if err = request.AddInputsAndUnspentsToTx(tx, acc.Address, core.UtilityTokenID(), gas, c); err != nil {
|
|
return txHash, errors.Wrap(err, "failed to add inputs and unspents to transaction")
|
|
}
|
|
} else {
|
|
addr, err := address.StringToUint160(acc.Address)
|
|
if err != nil {
|
|
return txHash, errors.Wrap(err, "failed to get address")
|
|
}
|
|
tx.AddVerificationHash(addr)
|
|
}
|
|
|
|
if err = acc.SignTx(tx); err != nil {
|
|
return txHash, errors.Wrap(err, "failed to sign tx")
|
|
}
|
|
txHash = tx.Hash()
|
|
err = c.SendRawTransaction(tx)
|
|
|
|
if err != nil {
|
|
return txHash, errors.Wrap(err, "failed sendning tx")
|
|
}
|
|
return txHash, nil
|
|
}
|
|
|
|
// ValidateAddress verifies that the address is a correct NEO address.
|
|
func (c *Client) ValidateAddress(address string) error {
|
|
var (
|
|
params = request.NewRawParams(address)
|
|
resp = &result.ValidateAddress{}
|
|
)
|
|
|
|
if err := c.performRequest("validateaddress", params, resp); err != nil {
|
|
return err
|
|
}
|
|
if !resp.IsValid {
|
|
return errors.New("validateaddress returned false")
|
|
}
|
|
return nil
|
|
}
|