了解在RSK区块链上交易确认的次数是很重要的,这样当一个用户将RIF发送到另一个钱包或交易所钱包时,我们可以看到已经发生了多少个确认。
了解在RSK区块链上交易确认的次数是很重要的,这样当一个用户将RIF发送到另一个钱包或交易所钱包时,我们可以看到已经发生了多少个确认。
交易本身并没有确认数,但它们所在的区块确实有确认数。因此,解决方案在于“比较”特定交易的区块编号。
有几种方法可以做到这一点,最简单的方法是使用eth_getTransactionByHash
JSON-RPC方法:
curl \
-X POST \
-H "Content-Type:application/json" \
--data '{"jsonrpc":"2.0","method":"eth_getTransactionByHash","params":["0xf1ebb8076ad289fbaef4406bb0488be0c5605a58cfa2a6d11540b1f9b0d7ef98"],"id":1}' \
https://public-node.testnet.rsk.co
上述cURL命令是针对RSK测试网络上的交易0xf1ebb8076ad289fbaef4406bb0488be0c5605a58cfa2a6d11540b1f9b0d7ef98
。以下是响应内容的复制:{
"result" : {
"input" : "0xcbf8...(redacted)",
"nonce" : "0xda62",
"blockNumber" : "0x17fe5c",
"gasPrice" : "0x3938700",
"hash" : "0xf1ebb8076ad289fbaef4406bb0488be0c5605a58cfa2a6d11540b1f9b0d7ef98",
"blockHash" : "0xede9aa2ff4939482186d4e6bd269582352a923db13ef90ad7def0d0dec17a239",
"r" : "0x8c98a16250d157db1fb11e1304684943796710e3f1292a4fb60a0711692f2b8f",
"value" : "0x0",
"s" : "0x49cdc35f66dbea2ba88e3c52dc3f4c68498b844dd79eebafc326803e7163f7fc",
"transactionIndex" : "0x0",
"gas" : "0x17c65",
"from" : "0xd761cc1ceb991631d431f6dde54f07828f2e61d2",
"to" : "0x8bf2f24afbb9dbe4f2a54fd72748fc797bb91f81",
"v" : "0x1c"
},
"jsonrpc" : "2.0",
"id" : 1
}
根据"blockNumber" : "0x17fe5c"
,我们知道这个特定区块的编号是1572444
。
下一步是将此交易的区块编号与最新区块编号进行比较。 为了这样做,我们需要使用另一个JSON-RPC请求。
curl \
-X POST \
-H "Content-Type:application/json" \
--data '{"jsonrpc":"2.0","method":"eth_blockNumber","params":[],"id":1}' \
https://public-node.testnet.rsk.co
{
"id" : 1,
"result" : "0x180208",
"jsonrpc" : "2.0"
}
从"result" : "0x180208"
我们知道最近一个区块的区块编号为1573384
。
node -e "console.log(0x180208 - 0x17fe5c);"
940
我们将交易所在区块号从最新区块号中减去,这将得出答案:940
(在此示例中)-确认数。
您可以使用Web3进行相同操作(示例中的哈希值不同,是主网):
web3.eth.getTransaction("0x9117f2fab63c89676b6538a317d0b9ec74cc4ac8f375c80c0f2b57223cbd6bb2")
{ hash: '0x9117f2fab63c89676b6538a317d0b9ec74cc4ac8f375c80c0f2b57223cbd6bb2',
nonce: 118329,
blockHash: '0x02c40394a7ed66bc50a0f1853220a395efd1e3cfebea5e0ff36dd5a0a12b2aeb',
blockNumber: 3089723,
transactionIndex: 1,
from: '0x64DCC3BCbeaE8ce586CaBDef79104986bEAFcaD6',
to: '0xBEd51D83CC4676660e3fc3819dfAD8238549B975',
gas: 2000000,
gasPrice: '60000000',
value: '0',
input: '0x5a686699000000000000000000000000000000000000000000000000032d5284006bf8730000000000000000000000000000000000000000000000000000000060214e2a000000000000000000000000504efcadfb020d6bbaec8a5c5bb21453719d0e00',
v: '0x1b',
r: '0x2faaa315b1b3cd7421db1dc5fa243ddfae906282872c2bd9207e7e2dfed8286e',
s: '0x571fa5a28a48755bdf93aacd28d8d7d8986b1e2db0f5450e2355e7f3c91db30b' }
在这种情况下,您从 blockNumber 获得
3089723
现在,您查询当前最佳块:
<code><code>web3.eth.getBlockNumber(console.log)
</code></code>
<code><code>3089747
</code></code>
因此,您有
3089747 - 3089723 = 24
次确认。
const getTxConfirmations = (txHash) => Promise.all([
web3.eth.getTransaction(txHash).then(tx => tx.blockNumber),
web3.eth.getBlockNumber()
]).then(([blockNumber, currentBlockNumber]) => (currentBlockNumber - blockNumber))
使用Truffle控制台:
truffle(develop)> web3.eth.getTransaction('0x7a28a121c41085ef52d449f64120dbc422ec70b4d324c076c8d89222cf7188c8').then(tx => tx.blockNumber)
1
truffle(develop)> web3.eth.getBlockNumber()
5
truffle(develop)> const getTxConfirmations = (txHash) => Promise.all([web3.eth.getTransaction(txHash).then(tx => tx.blockNumber), web3.eth.getBlockNumber()]).then(([blockNumber, currentBlockNumber]) => (currentBlockNumber - blockNumber))
undefined
truffle(develop)> getTxConfirmations('0x7a28a121c41085ef52d449f64120dbc422ec70b4d324c076c8d89222cf7188c8')
4
我不确定我的回答是否是最好的选择,但这是一种找到它的方法。
我通常在explorer.rsk.co上搜索。
希望对您有用 :)
web3.eth.getTransaction("0x9117f2fab63c89676b6538a317d0b9ec74cc4ac8f375c80c0f2b57223cbd6bb2")
{ hash: '0x9117f2fab63c89676b6538a317d0b9ec74cc4ac8f375c80c0f2b57223cbd6bb2',
nonce: 118329,
blockHash: '0x02c40394a7ed66bc50a0f1853220a395efd1e3cfebea5e0ff36dd5a0a12b2aeb',
blockNumber: 3089723,
transactionIndex: 1,
from: '0x64DCC3BCbeaE8ce586CaBDef79104986bEAFcaD6',
to: '0xBEd51D83CC4676660e3fc3819dfAD8238549B975',
gas: 2000000,
gasPrice: '60000000',
value: '0',
input: '0x5a686699000000000000000000000000000000000000000000000000032d5284006bf8730000000000000000000000000000000000000000000000000000000060214e2a000000000000000000000000504efcadfb020d6bbaec8a5c5bb21453719d0e00',
v: '0x1b',
r: '0x2faaa315b1b3cd7421db1dc5fa243ddfae906282872c2bd9207e7e2dfed8286e',
s: '0x571fa5a28a48755bdf93aacd28d8d7d8986b1e2db0f5450e2355e7f3c91db30b' }
web3.eth.getBlockNumber(console.log)
3089747
因此,您拥有 3089747 - 3089723 = 24
个确认。