778517f33f
- Verify eth/usd, mkr/usd, and rep/usd price feed logs are successfully fetched from Kovan and persisted to Postgres
38 lines
1.1 KiB
Go
38 lines
1.1 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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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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