contracts

package
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Published: Nov 16, 2020 License: MPL-2.0 Imports: 5 Imported by: 4

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Types

type ContractCaller

type ContractCaller struct {
	// contains filtered or unexported fields
}

func NewContractCaller

func NewContractCaller(c RPCClient) *ContractCaller

func (*ContractCaller) CallContract

func (cc *ContractCaller) CallContract(ctx context.Context, msg ethereum.CallMsg, blockNumber *big.Int) ([]byte, error)

CallContract executes a message call transaction, which is directly executed in the VM of the node, but never mined into the blockchain.

blockNumber selects the block height at which the call runs. It can be nil, in which case the code is taken from the latest known block. Note that state from very old blocks might not be available.

func (*ContractCaller) CodeAt

func (cc *ContractCaller) CodeAt(ctx context.Context, account common.Address, blockNumber *big.Int) ([]byte, error)

CodeAt returns the contract code of the given account. The block number can be nil, in which case the code is taken from the latest known block.

type RPCClient

type RPCClient interface {
	CallContext(ctx context.Context, result interface{}, method string, args ...interface{}) error
}

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