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ethclient: add CallContractAtHash #24355

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merged 4 commits into from Feb 15, 2022
Merged

ethclient: add CallContractAtHash #24355

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36108ac
add CallContractAtHash to ethclient
zhiqiangxu Feb 8, 2022
1311113
add docstring and test
zhiqiangxu Feb 8, 2022
ca4aff9
optimize test
zhiqiangxu Feb 9, 2022
ad9266b
ethclient: nits
karalabe Feb 15, 2022
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9 changes: 9 additions & 0 deletions ethclient/ethclient.go
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Expand Up @@ -456,6 +456,15 @@ func (ec *Client) CallContract(ctx context.Context, msg ethereum.CallMsg, blockN
return hex, nil
}

func (ec *Client) CallContractAtHash(ctx context.Context, msg ethereum.CallMsg, blockHash common.Hash) ([]byte, error) {
var hex hexutil.Bytes
err := ec.c.CallContext(ctx, &hex, "eth_call", toCallArg(msg), rpc.BlockNumberOrHashWithHash(blockHash, false))
if err != nil {
return nil, err
}
return hex, nil
}

// PendingCallContract executes a message call transaction using the EVM.
// The state seen by the contract call is the pending state.
func (ec *Client) PendingCallContract(ctx context.Context, msg ethereum.CallMsg) ([]byte, error) {
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