forked from TrueCloudLab/neoneo-go
71 lines
2.8 KiB
Go
71 lines
2.8 KiB
Go
/*
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Package ledger provides an interface to LedgerContract native contract.
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It allows to access ledger contents like transactions and blocks.
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*/
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package ledger
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import (
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"github.com/nspcc-dev/neo-go/pkg/interop"
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"github.com/nspcc-dev/neo-go/pkg/interop/contract"
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"github.com/nspcc-dev/neo-go/pkg/interop/neogointernal"
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)
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// Hash represents Ledger contract hash.
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const Hash = "\xbe\xf2\x04\x31\x40\x36\x2a\x77\xc1\x50\x99\xc7\xe6\x4c\x12\xf7\x00\xb6\x65\xda"
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// VMState represents VM execution state.
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type VMState uint8
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// Various VM execution states.
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const (
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// NoneState represents NONE VM state.
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NoneState VMState = 0
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// HaltState represents HALT VM state.
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HaltState VMState = 1
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// FaultState represents FAULT VM state.
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FaultState VMState = 2
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// BreakState represents BREAK VM state.
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BreakState VMState = 4
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)
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// CurrentHash represents `currentHash` method of Ledger native contract.
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func CurrentHash() interop.Hash256 {
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return neogointernal.CallWithToken(Hash, "currentHash", int(contract.ReadStates)).(interop.Hash256)
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}
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// CurrentIndex represents `currentIndex` method of Ledger native contract.
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func CurrentIndex() int {
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return neogointernal.CallWithToken(Hash, "currentIndex", int(contract.ReadStates)).(int)
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}
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// GetBlock represents `getBlock` method of Ledger native contract.
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func GetBlock(indexOrHash interface{}) *Block {
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return neogointernal.CallWithToken(Hash, "getBlock", int(contract.ReadStates), indexOrHash).(*Block)
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}
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// GetTransaction represents `getTransaction` method of Ledger native contract.
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func GetTransaction(hash interop.Hash256) *Transaction {
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return neogointernal.CallWithToken(Hash, "getTransaction", int(contract.ReadStates), hash).(*Transaction)
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}
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// GetTransactionHeight represents `getTransactionHeight` method of Ledger native contract.
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func GetTransactionHeight(hash interop.Hash256) int {
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return neogointernal.CallWithToken(Hash, "getTransactionHeight", int(contract.ReadStates), hash).(int)
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}
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// GetTransactionFromBlock represents `getTransactionFromBlock` method of Ledger native contract.
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func GetTransactionFromBlock(indexOrHash interface{}, txIndex int) *Transaction {
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return neogointernal.CallWithToken(Hash, "getTransactionFromBlock", int(contract.ReadStates),
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indexOrHash, txIndex).(*Transaction)
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}
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// GetTransactionSigners represents `getTransactionSigners` method of Ledger native contract.
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func GetTransactionSigners(hash interop.Hash256) []TransactionSigner {
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return neogointernal.CallWithToken(Hash, "getTransactionSigners", int(contract.ReadStates),
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hash).([]TransactionSigner)
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}
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// GetTransactionVMState represents `getTransactionVMState` method of Ledger native contract.
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func GetTransactionVMState(hash interop.Hash256) VMState {
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return neogointernal.CallWithToken(Hash, "getTransactionVMState", int(contract.ReadStates), hash).(VMState)
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}
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