forked from cerc-io/ipld-eth-server
60 lines
1.5 KiB
Go
60 lines
1.5 KiB
Go
package client
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import (
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"context"
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"github.com/ethereum/go-ethereum/rpc"
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)
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type RpcClient struct {
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client *rpc.Client
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ipcPath string
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}
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type BatchElem struct {
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Method string
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Args []interface{}
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Result interface{}
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Error error
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}
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func NewRpcClient(client *rpc.Client, ipcPath string) RpcClient {
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return RpcClient{
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client: client,
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ipcPath: ipcPath,
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}
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}
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func (client RpcClient) CallContext(ctx context.Context, result interface{}, method string, args ...interface{}) error {
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//If an empty interface (or other nil object) is passed to CallContext, when the JSONRPC message is created the params will
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//be interpreted as [null]. This seems to work fine for most of the ethereum clients (which presumably ignore a null parameter.
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//Ganache however does not ignore it, and throws an 'Incorrect number of arguments' error.
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if args == nil {
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return client.client.CallContext(ctx, result, method)
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} else {
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return client.client.CallContext(ctx, result, method, args...)
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}
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}
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func (client RpcClient) IpcPath() string {
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return client.ipcPath
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}
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func (client RpcClient) SupportedModules() (map[string]string, error) {
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return client.client.SupportedModules()
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}
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func (client RpcClient) BatchCall(batch []BatchElem) error {
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var rpcBatch []rpc.BatchElem
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for _, batchElem := range batch {
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var newBatchElem = rpc.BatchElem{
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Result: batchElem.Result,
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Method: batchElem.Method,
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Args: batchElem.Args,
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Error: batchElem.Error,
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}
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rpcBatch = append(rpcBatch, newBatchElem)
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}
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return client.client.BatchCall(rpcBatch)
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}
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