Documentation ¶
Index ¶
- type SimulatedBackend
- func (b *SimulatedBackend) AdjustTime(adjustment time.Duration) error
- func (b *SimulatedBackend) BalanceAt(ctx context.Context, contract common.Address, blockNumber *big.Int) (*big.Int, error)
- func (b *SimulatedBackend) CallContract(ctx context.Context, call ethereum.CallMsg, blockNumber *big.Int) ([]byte, error)
- func (b *SimulatedBackend) CodeAt(ctx context.Context, contract common.Address, blockNumber *big.Int) ([]byte, error)
- func (b *SimulatedBackend) Commit()
- func (b *SimulatedBackend) EstimateGas(ctx context.Context, call ethereum.CallMsg) (uint64, error)
- func (b *SimulatedBackend) FilterLogs(ctx context.Context, query ethereum.FilterQuery) ([]types.Log, error)
- func (b *SimulatedBackend) NonceAt(ctx context.Context, contract common.Address, blockNumber *big.Int) (uint64, error)
- func (b *SimulatedBackend) PendingCallContract(ctx context.Context, call ethereum.CallMsg) ([]byte, error)
- func (b *SimulatedBackend) PendingCodeAt(ctx context.Context, contract common.Address) ([]byte, error)
- func (b *SimulatedBackend) PendingNonceAt(ctx context.Context, account common.Address) (uint64, error)
- func (b *SimulatedBackend) Rollback()
- func (b *SimulatedBackend) SendTransaction(ctx context.Context, tx *types.Transaction) error
- func (b *SimulatedBackend) StorageAt(ctx context.Context, contract common.Address, key common.Hash, ...) ([]byte, error)
- func (b *SimulatedBackend) SubscribeFilterLogs(ctx context.Context, query ethereum.FilterQuery, ch chan<- types.Log) (ethereum.Subscription, error)
- func (b *SimulatedBackend) SuggestGasPrice(ctx context.Context) (*big.Int, error)
- func (b *SimulatedBackend) TransactionReceipt(ctx context.Context, txHash common.Hash) (*types.Receipt, error)
Constants ¶
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Variables ¶
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Functions ¶
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Types ¶
type SimulatedBackend ¶
type SimulatedBackend struct {
// contains filtered or unexported fields
}
Simulatedbackend实现bind.contractbackend,在 背景。其主要目的是允许轻松测试合同绑定。
func NewSimulatedBackend ¶
func NewSimulatedBackend(alloc core.GenesisAlloc, gasLimit uint64) *SimulatedBackend
NewSimulatedBackend使用模拟区块链创建新的绑定后端 用于测试。
func (*SimulatedBackend) AdjustTime ¶
func (b *SimulatedBackend) AdjustTime(adjustment time.Duration) error
AdjustTime为模拟时钟增加了一个时间偏移。
func (*SimulatedBackend) BalanceAt ¶
func (b *SimulatedBackend) BalanceAt(ctx context.Context, contract common.Address, blockNumber *big.Int) (*big.Int, error)
balanceat返回区块链中某个账户的wei余额。
func (*SimulatedBackend) CallContract ¶
func (b *SimulatedBackend) CallContract(ctx context.Context, call ethereum.CallMsg, blockNumber *big.Int) ([]byte, error)
CallContract执行合同调用。
func (*SimulatedBackend) CodeAt ¶
func (b *SimulatedBackend) CodeAt(ctx context.Context, contract common.Address, blockNumber *big.Int) ([]byte, error)
codeat返回与区块链中某个帐户关联的代码。
func (*SimulatedBackend) Commit ¶
func (b *SimulatedBackend) Commit()
commit将所有挂起的事务作为单个块导入并启动 新的状态。
func (*SimulatedBackend) EstimateGas ¶
func (b *SimulatedBackend) EstimateGas(ctx context.Context, call ethereum.CallMsg) (uint64, error)
EstimateGas针对当前挂起的块/状态执行请求的代码,并且 返回使用的气体量。
func (*SimulatedBackend) FilterLogs ¶
func (b *SimulatedBackend) FilterLogs(ctx context.Context, query ethereum.FilterQuery) ([]types.Log, error)
filterlogs执行日志筛选操作,在执行期间阻塞,以及 一批返回所有结果。
TODO(karalabe):当订阅可以返回过去的数据时,取消预测。
func (*SimulatedBackend) NonceAt ¶
func (b *SimulatedBackend) NonceAt(ctx context.Context, contract common.Address, blockNumber *big.Int) (uint64, error)
nonceat返回区块链中某个帐户的nonce。
func (*SimulatedBackend) PendingCallContract ¶
func (b *SimulatedBackend) PendingCallContract(ctx context.Context, call ethereum.CallMsg) ([]byte, error)
PendingCallContract对挂起状态执行合同调用。
func (*SimulatedBackend) PendingCodeAt ¶
func (b *SimulatedBackend) PendingCodeAt(ctx context.Context, contract common.Address) ([]byte, error)
PendingCodeAt返回与处于挂起状态的帐户关联的代码。
func (*SimulatedBackend) PendingNonceAt ¶
func (b *SimulatedBackend) PendingNonceAt(ctx context.Context, account common.Address) (uint64, error)
PendingOnCate实现PendingStateReader.PendingOnCate,检索 当前为帐户挂起的非现金。
func (*SimulatedBackend) SendTransaction ¶
func (b *SimulatedBackend) SendTransaction(ctx context.Context, tx *types.Transaction) error
sendTransaction更新挂起块以包括给定的事务。 如果事务无效,它会恐慌。
func (*SimulatedBackend) StorageAt ¶
func (b *SimulatedBackend) StorageAt(ctx context.Context, contract common.Address, key common.Hash, blockNumber *big.Int) ([]byte, error)
storageat返回在区块链中存储帐户的密钥的值。
func (*SimulatedBackend) SubscribeFilterLogs ¶
func (b *SimulatedBackend) SubscribeFilterLogs(ctx context.Context, query ethereum.FilterQuery, ch chan<- types.Log) (ethereum.Subscription, error)
subscribeBilterLogs创建后台日志筛选操作,返回 立即订阅,可用于流式处理找到的事件。
func (*SimulatedBackend) SuggestGasPrice ¶
Suggestgasprice执行ContractTransactor.Suggestgasprice。自从模拟 这家连锁店没有矿工,我们只要回电1美元的汽油价格就行了。
func (*SimulatedBackend) TransactionReceipt ¶
func (b *SimulatedBackend) TransactionReceipt(ctx context.Context, txHash common.Hash) (*types.Receipt, error)
TransactionReceipt返回交易的收据。