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rpc: allow to use address, id or name instead of scripthash [Client]

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... for getcontractstate RPC client method.
This commit is contained in:
Anna Shaleva 2020-09-25 19:32:53 +03:00
parent d3daaafbe4
commit b8a88f9378
12 changed files with 220 additions and 99 deletions
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37
pkg/rpc/client/rpc.go
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@ -4,6 +4,7 @@ import (
"encoding/hex"
"errors"
"fmt"
"strings"
"github.com/nspcc-dev/neo-go/pkg/config/netmode"
"github.com/nspcc-dev/neo-go/pkg/core"
@ -208,10 +209,25 @@ func (c *Client) GetCommittee() (keys.PublicKeys, error) {
return *resp, nil
}
// GetContractState queries contract information, according to the contract script hash.
func (c *Client) GetContractState(hash util.Uint160) (*state.Contract, error) {
// GetContractStateByHash queries contract information, according to the contract script hash.
func (c *Client) GetContractStateByHash(hash util.Uint160) (*state.Contract, error) {
return c.getContractState(hash.StringLE())
}
// GetContractStateByAddressOrName queries contract information, according to the contract address or name.
func (c *Client) GetContractStateByAddressOrName(addressOrName string) (*state.Contract, error) {
return c.getContractState(addressOrName)
}
// GetContractStateByID queries contract information, according to the contract ID.
func (c *Client) GetContractStateByID(id int32) (*state.Contract, error) {
return c.getContractState(id)
}
// getContractState is an internal representation of GetContractStateBy* methods.
func (c *Client) getContractState(param interface{}) (*state.Contract, error) {
var (
params = request.NewRawParams(hash.StringLE())
params = request.NewRawParams(param)
resp = &state.Contract{}
)
if err := c.performRequest("getcontractstate", params, resp); err != nil {
@ -597,3 +613,18 @@ func (c *Client) AddNetworkFee(tx *transaction.Transaction, extraFee int64, accs
func (c *Client) GetNetwork() netmode.Magic {
return c.network
}
// GetNativeContractHash returns native contract hash by its name. It is not case-sensitive.
func (c *Client) GetNativeContractHash(name string) (util.Uint160, error) {
lowercasedName := strings.ToLower(name)
hash, ok := c.cache.nativeHashes[lowercasedName]
if ok {
return hash, nil
}
cs, err := c.GetContractStateByAddressOrName(name)
if err != nil {
return util.Uint160{}, err
}
c.cache.nativeHashes[lowercasedName] = cs.ScriptHash()
return cs.ScriptHash(), nil
}