28 lines
873 B
Go
28 lines
873 B
Go
package core
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import (
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"github.com/jmoiron/sqlx"
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_ "github.com/lib/pq"
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)
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type BlockchainDBObserver struct {
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Db *sqlx.DB
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}
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func (observer BlockchainDBObserver) NotifyBlockAdded(block Block) {
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observer.Db.MustExec("Insert INTO blocks "+
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"(block_number, block_gaslimit, block_gasused, block_time) "+
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"VALUES ($1, $2, $3, $4)",
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block.Number.Int64(), block.GasLimit.Int64(), block.GasUsed.Int64(), block.Time.Int64())
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for _, transaction := range block.Transactions {
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observer.saveTransaction(transaction)
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}
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}
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func (observer BlockchainDBObserver) saveTransaction(transaction Transaction) {
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observer.Db.MustExec("Insert INTO transactions "+
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"(tx_hash, tx_nonce, tx_to, tx_gaslimit, tx_gasprice, tx_value) VALUES ($1, $2, $3, $4, $5, $6)",
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transaction.Hash, transaction.Nonce, transaction.To, transaction.GasLimit, transaction.GasPrice, transaction.Value)
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}
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