eth: separate common and full node-specific API and backend service
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@ -22,6 +22,7 @@ import (
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/core/types"
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"golang.org/x/net/context"
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)
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// ErrNoCode is returned by call and transact operations for which the requested
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@ -35,12 +36,12 @@ type ContractCaller interface {
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// HasCode checks if the contract at the given address has any code associated
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// with it or not. This is needed to differentiate between contract internal
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// errors and the local chain being out of sync.
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HasCode(contract common.Address, pending bool) (bool, error)
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HasCode(ctx context.Context, contract common.Address, pending bool) (bool, error)
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// ContractCall executes an Ethereum contract call with the specified data as
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// the input. The pending flag requests execution against the pending block, not
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// the stable head of the chain.
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ContractCall(contract common.Address, data []byte, pending bool) ([]byte, error)
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ContractCall(ctx context.Context, contract common.Address, data []byte, pending bool) ([]byte, error)
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}
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// ContractTransactor defines the methods needed to allow operating with contract
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@ -50,26 +51,26 @@ type ContractCaller interface {
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type ContractTransactor interface {
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// PendingAccountNonce retrieves the current pending nonce associated with an
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// account.
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PendingAccountNonce(account common.Address) (uint64, error)
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PendingAccountNonce(ctx context.Context, account common.Address) (uint64, error)
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// SuggestGasPrice retrieves the currently suggested gas price to allow a timely
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// execution of a transaction.
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SuggestGasPrice() (*big.Int, error)
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SuggestGasPrice(ctx context.Context) (*big.Int, error)
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// HasCode checks if the contract at the given address has any code associated
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// with it or not. This is needed to differentiate between contract internal
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// errors and the local chain being out of sync.
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HasCode(contract common.Address, pending bool) (bool, error)
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HasCode(ctx context.Context, contract common.Address, pending bool) (bool, error)
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// EstimateGasLimit tries to estimate the gas needed to execute a specific
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// transaction based on the current pending state of the backend blockchain.
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// There is no guarantee that this is the true gas limit requirement as other
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// transactions may be added or removed by miners, but it should provide a basis
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// for setting a reasonable default.
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EstimateGasLimit(sender common.Address, contract *common.Address, value *big.Int, data []byte) (*big.Int, error)
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EstimateGasLimit(ctx context.Context, sender common.Address, contract *common.Address, value *big.Int, data []byte) (*big.Int, error)
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// SendTransaction injects the transaction into the pending pool for execution.
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SendTransaction(tx *types.Transaction) error
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SendTransaction(ctx context.Context, tx *types.Transaction) error
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}
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// ContractBackend defines the methods needed to allow operating with contract
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@ -84,28 +85,28 @@ type ContractBackend interface {
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// HasCode checks if the contract at the given address has any code associated
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// with it or not. This is needed to differentiate between contract internal
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// errors and the local chain being out of sync.
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HasCode(contract common.Address, pending bool) (bool, error)
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HasCode(ctx context.Context, contract common.Address, pending bool) (bool, error)
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// ContractCall executes an Ethereum contract call with the specified data as
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// the input. The pending flag requests execution against the pending block, not
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// the stable head of the chain.
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ContractCall(contract common.Address, data []byte, pending bool) ([]byte, error)
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ContractCall(ctx context.Context, contract common.Address, data []byte, pending bool) ([]byte, error)
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// PendingAccountNonce retrieves the current pending nonce associated with an
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// account.
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PendingAccountNonce(account common.Address) (uint64, error)
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PendingAccountNonce(ctx context.Context, account common.Address) (uint64, error)
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// SuggestGasPrice retrieves the currently suggested gas price to allow a timely
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// execution of a transaction.
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SuggestGasPrice() (*big.Int, error)
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SuggestGasPrice(ctx context.Context) (*big.Int, error)
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// EstimateGasLimit tries to estimate the gas needed to execute a specific
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// transaction based on the current pending state of the backend blockchain.
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// There is no guarantee that this is the true gas limit requirement as other
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// transactions may be added or removed by miners, but it should provide a basis
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// for setting a reasonable default.
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EstimateGasLimit(sender common.Address, contract *common.Address, value *big.Int, data []byte) (*big.Int, error)
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EstimateGasLimit(ctx context.Context, sender common.Address, contract *common.Address, value *big.Int, data []byte) (*big.Int, error)
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// SendTransaction injects the transaction into the pending pool for execution.
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SendTransaction(tx *types.Transaction) error
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SendTransaction(ctx context.Context, tx *types.Transaction) error
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}
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