forked from TrueCloudLab/neoneo-go
81 lines
2.6 KiB
Go
81 lines
2.6 KiB
Go
package client
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import (
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"fmt"
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"github.com/nspcc-dev/neo-go/pkg/core/native/nativenames"
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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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)
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// GetFeePerByte invokes `getFeePerByte` method on a native Policy contract.
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func (c *Client) GetFeePerByte() (int64, error) {
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if !c.cache.initDone {
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return 0, errNetworkNotInitialized
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}
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return c.invokeNativePolicyMethod("getFeePerByte")
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}
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// GetExecFeeFactor invokes `getExecFeeFactor` method on a native Policy contract.
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func (c *Client) GetExecFeeFactor() (int64, error) {
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if !c.cache.initDone {
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return 0, errNetworkNotInitialized
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}
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return c.invokeNativePolicyMethod("getExecFeeFactor")
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}
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// GetStoragePrice invokes `getStoragePrice` method on a native Policy contract.
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func (c *Client) GetStoragePrice() (int64, error) {
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if !c.cache.initDone {
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return 0, errNetworkNotInitialized
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}
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return c.invokeNativePolicyMethod("getStoragePrice")
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}
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// GetMaxNotValidBeforeDelta invokes `getMaxNotValidBeforeDelta` method on a native Notary contract.
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func (c *Client) GetMaxNotValidBeforeDelta() (int64, error) {
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notaryHash, err := c.GetNativeContractHash(nativenames.Notary)
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if err != nil {
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return 0, fmt.Errorf("failed to get native Notary hash: %w", err)
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}
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return c.invokeNativeGetMethod(notaryHash, "getMaxNotValidBeforeDelta")
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}
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// invokeNativePolicy method invokes Get* method on a native Policy contract.
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func (c *Client) invokeNativePolicyMethod(operation string) (int64, error) {
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if !c.cache.initDone {
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return 0, errNetworkNotInitialized
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}
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return c.invokeNativeGetMethod(c.cache.nativeHashes[nativenames.Policy], operation)
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}
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func (c *Client) invokeNativeGetMethod(hash util.Uint160, operation string) (int64, error) {
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result, err := c.InvokeFunction(hash, operation, []smartcontract.Parameter{}, nil)
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if err != nil {
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return 0, err
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}
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err = getInvocationError(result)
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if err != nil {
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return 0, fmt.Errorf("failed to invoke %s method of native contract %s: %w", operation, hash.StringLE(), err)
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}
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return topIntFromStack(result.Stack)
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}
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// IsBlocked invokes `isBlocked` method on native Policy contract.
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func (c *Client) IsBlocked(hash util.Uint160) (bool, error) {
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if !c.cache.initDone {
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return false, errNetworkNotInitialized
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}
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result, err := c.InvokeFunction(c.cache.nativeHashes[nativenames.Policy], "isBlocked", []smartcontract.Parameter{{
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Type: smartcontract.Hash160Type,
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Value: hash,
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}}, nil)
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if err != nil {
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return false, err
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}
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err = getInvocationError(result)
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if err != nil {
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return false, fmt.Errorf("failed to check if account is blocked: %w", err)
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}
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return topBoolFromStack(result.Stack)
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}
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