neoneo-go/pkg/interop/blockchain/blockchain.go
Roman Khimov a986e2a064 *: drop support for old on-chain assets
You no longer can transfer them, so creating/renewing/storing doesn't make
much sense.
2020-06-05 19:21:37 +03:00

74 lines
2.9 KiB
Go

/*
Package blockchain provides functions to access various blockchain data.
*/
package blockchain
import (
"github.com/nspcc-dev/neo-go/pkg/interop/account"
"github.com/nspcc-dev/neo-go/pkg/interop/block"
"github.com/nspcc-dev/neo-go/pkg/interop/contract"
"github.com/nspcc-dev/neo-go/pkg/interop/header"
"github.com/nspcc-dev/neo-go/pkg/interop/transaction"
)
// GetHeight returns current block height (index of the last accepted block).
// Note that when transaction is being run as a part of new block this block is
// considered as not yet accepted (persisted) and thus you'll get an index of
// the previous (already accepted) block. This function uses
// `Neo.Blockchain.GetHeight` syscall.
func GetHeight() int {
return 0
}
// GetHeader returns header found by the given hash (256 bit hash in BE format
// represented as a slice of 32 bytes) or index (integer). Refer to the `header`
// package for possible uses of returned structure. This function uses
// `Neo.Blockchain.GetHeader` syscall.
func GetHeader(heightOrHash interface{}) header.Header {
return header.Header{}
}
// GetBlock returns block found by the given hash or index (with the same
// encoding as for GetHeader). Refer to the `block` package for possible uses
// of returned structure. This function uses `Neo.Blockchain.GetBlock` syscall.
func GetBlock(heightOrHash interface{}) block.Block {
return block.Block{}
}
// GetTransaction returns transaction found by the given (256 bit in BE format
// represented as a slice of 32 bytes). Refer to the `transaction` package for
// possible uses of returned structure. This function uses
// `Neo.Blockchain.GetTransaction` syscall.
func GetTransaction(hash []byte) transaction.Transaction {
return transaction.Transaction{}
}
// GetTransactionHeight returns transaction's height (index of the block that
// includes it) by the given ID (256 bit in BE format represented as a slice of
// 32 bytes). This function uses `Neo.Blockchain.GetTransactionHeight` syscall.
func GetTransactionHeight(hash []byte) int {
return 0
}
// GetContract returns contract found by the given script hash (160 bit in BE
// format represented as a slice of 20 bytes). Refer to the `contract` package
// for details on how to use the returned structure. This function uses
// `Neo.Blockchain.GetContract` syscall.
func GetContract(scriptHash []byte) contract.Contract {
return contract.Contract{}
}
// GetAccount returns account found by the given script hash (160 bit in BE
// format represented as a slice of 20 bytes). Refer to the `account` package
// for details on how to use the returned structure. This function uses
// `Neo.Blockchain.GetAccount` syscall.
func GetAccount(scriptHash []byte) account.Account {
return account.Account{}
}
// GetValidators returns a slice of current validators public keys represented
// as a compressed serialized byte slice (33 bytes long). This function uses
// `Neo.Blockchain.GetValidators` syscall.
func GetValidators() [][]byte {
return nil
}