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This article mainly explains "how to use web3.eth.sendRawTransaction". The explanation content in this article is simple and clear, easy to learn and understand. Please follow the ideas of Xiaobian slowly and deeply to study and learn "how to use web3.eth.sendRawTransaction" together.

If the transaction is a contract creation, use web3.eth.getTransactionReceipt() to get the address of the contract after the transaction completes.

Call:

web3.eth.sendRawTransaction(signedTransactionData [, callback])

Parameters:

signedTransactionData: String -signed transaction data in hexadecimal format.

callback: Function -callback function, used to support asynchronous execution 7.

Return value:

String -A 32-byte transaction hash string in hexadecimal format.

Examples:

var Tx = require('ethereumjs-tx');var privateKey = new Buffer('e331b6d69882b4cb4ea581d88e0b604039a3de5967688d3dcffdd2270c0fd109', 'hex')var rawTx = { nonce: '0x00', gasPrice: '0x09184e72a000', gasLimit: '0x2710', to: '0x0000000000000000000000000000000000000000', value: '0x00', data: '0x7f7465737432000000000000000000000000000000000000000000000000000000600057'}var tx = new Tx(rawTx);tx.sign(privateKey);var serializedTx = tx.serialize();//console.log(serializedTx.toString('hex'));//0xf889808609184e72a00082271094000000000000000000000000000000000000000080a47f74657374320000000000000000000000000000000000000000000000000000006000571ca08a8bbf888cfa37bbf0bb965423625641fc956967b81d12e23709cead01446075a01ce999b56a8a88504be365442ea61239198e23d1fce7d00fcfc5cd3b44b7215fweb3.eth.sendRawTransaction(serializedTx.toString('hex'), function(err, hash) { if (! err) console.log(hash);// "0x7 f9fade1c0d57a7af66ab4ead79fade1c0d57a7af66ab4ead7c2eb7b11a91385"}); Thank you for reading, the above is the content of "how to use web3.eth.sendRawTransaction", after learning this article, I believe you have a deeper understanding of how to use web3.eth.sendRawTransaction, and the specific use needs to be verified by practice. Here is, Xiaobian will push more articles related to knowledge points for everyone, welcome to pay attention!

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