120 lines
3.4 KiB
Go
120 lines
3.4 KiB
Go
package bchain
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import "fmt"
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type ScriptSig struct {
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// Asm string `json:"asm"`
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Hex string `json:"hex"`
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}
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type Vin struct {
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Coinbase string `json:"coinbase"`
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Txid string `json:"txid"`
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Vout uint32 `json:"vout"`
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ScriptSig ScriptSig `json:"scriptSig"`
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Sequence uint32 `json:"sequence"`
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}
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type ScriptPubKey struct {
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Asm string `json:"asm"`
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Hex string `json:"hex,omitempty"`
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Type string `json:"type"`
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Addresses []string `json:"addresses,omitempty"`
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}
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type Vout struct {
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Value float64 `json:"value"`
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N uint32 `json:"n"`
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ScriptPubKey ScriptPubKey `json:"scriptPubKey"`
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}
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// Tx is blockchain transaction
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// unnecessary fields are commented out to avoid overhead
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type Tx struct {
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Hex string `json:"hex"`
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Txid string `json:"txid"`
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// Version int32 `json:"version"`
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LockTime uint32 `json:"locktime"`
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Vin []Vin `json:"vin"`
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Vout []Vout `json:"vout"`
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// BlockHash string `json:"blockhash,omitempty"`
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Confirmations uint32 `json:"confirmations,omitempty"`
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Time int64 `json:"time,omitempty"`
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Blocktime int64 `json:"blocktime,omitempty"`
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}
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type Block struct {
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BlockHeader
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Txs []Tx `json:"tx"`
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}
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type ThinBlock struct {
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BlockHeader
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Txids []string `json:"tx"`
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}
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type BlockHeader struct {
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Hash string `json:"hash"`
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Prev string `json:"previousblockhash"`
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Next string `json:"nextblockhash"`
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Height uint32 `json:"height"`
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Confirmations int `json:"confirmations"`
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}
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type MempoolEntry struct {
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Size uint32 `json:"size"`
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Fee float64 `json:"fee"`
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ModifiedFee float64 `json:"modifiedfee"`
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Time float64 `json:"time"`
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Height uint32 `json:"height"`
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DescendantCount uint32 `json:"descendantcount"`
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DescendantSize uint32 `json:"descendantsize"`
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DescendantFees uint32 `json:"descendantfees"`
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AncestorCount uint32 `json:"ancestorcount"`
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AncestorSize uint32 `json:"ancestorsize"`
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AncestorFees uint32 `json:"ancestorfees"`
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Depends []string `json:"depends"`
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}
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type RPCError struct {
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Code int `json:"code"`
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Message string `json:"message"`
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}
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func (e *RPCError) Error() string {
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return fmt.Sprintf("%d: %s", e.Code, e.Message)
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}
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type BlockChain interface {
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// chain info
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IsTestnet() bool
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GetNetworkName() string
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// requests
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GetBestBlockHash() (string, error)
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GetBestBlockHeight() (uint32, error)
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GetBlockHash(height uint32) (string, error)
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GetBlockHeader(hash string) (*BlockHeader, error)
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GetBlock(hash string) (*Block, error)
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GetBlockWithoutHeader(hash string, height uint32) (*Block, error)
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GetMempool() ([]string, error)
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GetTransaction(txid string) (*Tx, error)
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EstimateSmartFee(blocks int, conservative bool) (float64, error)
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SendRawTransaction(tx string) (string, error)
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// mempool
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ResyncMempool(onNewTxAddr func(txid string, addr string)) error
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GetMempoolTransactions(outputScript []byte) ([]string, error)
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GetMempoolSpentOutput(outputTxid string, vout uint32) string
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GetMempoolEntry(txid string) (*MempoolEntry, error)
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// parser
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GetChainParser() BlockChainParser
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}
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type BlockChainParser interface {
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AddressToOutputScript(address string) ([]byte, error)
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OutputScriptToAddresses(script []byte) ([]string, error)
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ParseTx(b []byte) (*Tx, error)
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ParseBlock(b []byte) (*Block, error)
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PackTx(tx *Tx, height uint32, blockTime int64) ([]byte, error)
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UnpackTx(buf []byte) (*Tx, uint32, error)
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}
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