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fix(Transaction.get3()): Created Transaction.get3()

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This commit is contained in:
Chris Troutner
2021-11-03 10:16:38 -07:00
parent 9e92f77523
commit 425e2cbbc1
5 changed files with 704 additions and 1085 deletions
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src/transaction.js
+73 -216
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@@ -225,8 +225,8 @@ class Transaction {
}
/**
* @api Transaction.get2() get2()
* @apiName get2
* @api Transaction.get3() get3()
* @apiName get3
* @apiGroup Transaction
* @apiDescription
* Returns an object of transaction data, including addresses for input UTXOs.
@@ -248,195 +248,6 @@ class Transaction {
* }
* })()
*/
async get2 (txid) {
try {
if (typeof txid !== 'string') {
throw new Error(
'Input to Transaction.get() must be a string containing a TXID.'
)
}
const txDetails = await this.rawTransaction.getTxData(txid)
// console.log(`txDetails: ${JSON.stringify(txDetails, null, 2)}`)
// Get the block height the transaction was mined in.
const blockHeader = await this.blockchain.getBlockHeader(
txDetails.blockhash
)
txDetails.blockheight = blockHeader.height
// First get the token information for the output. If that fails, then
// this is not an SLP transaction, and this method can return false.
let outTokenData
try {
outTokenData = await this.slpUtils.decodeOpReturn(txid)
console.log(`outTokenData: ${JSON.stringify(outTokenData, null, 2)}`)
// Get Genesis data for this token.
const genesisData = await this.slpUtils.decodeOpReturn(
outTokenData.tokenId
// decodeOpReturnCache
// usrObj // pass user data when making an internal call.
)
console.log(`genesisData: ${JSON.stringify(genesisData, null, 2)}`)
// Add token information to the tx details object.
txDetails.tokenTxType = outTokenData.txType
txDetails.tokenId = outTokenData.tokenId
txDetails.tokenTicker = genesisData.ticker
txDetails.tokenName = genesisData.name
txDetails.tokenDecimals = genesisData.decimals
txDetails.tokenUri = genesisData.documentUri
txDetails.tokenDocHash = genesisData.documentHash
let numOutputs = 1
if (outTokenData.txType === 'SEND') {
numOutputs = outTokenData.amounts.length
}
// Add the token quantity to each output.
for (let i = 0; i < numOutputs; i++) {
let rawQty = 0
if (outTokenData.txType === 'SEND') {
rawQty = outTokenData.amounts[i]
} else {
rawQty = outTokenData.qty
}
// const realQty = Number(rawQty) / Math.pow(10, txDetails.tokenDecimals)
// Calculate the real quantity using a BigNumber, then convert it to a
// floating point number.
let realQty = new BigNumber(rawQty).dividedBy(
10 ** parseInt(txDetails.tokenDecimals)
)
realQty = realQty.toString()
// realQty = parseFloat(realQty)
txDetails.vout[i + 1].tokenQtyStr = realQty
txDetails.vout[i + 1].tokenQty = parseFloat(realQty)
console.log(
`thisVout ${i}: ${JSON.stringify(txDetails.vout[i + 1], null, 2)}`
)
}
// Add tokenQty = null to any outputs that don't have a value.
for (let i = 0; i < txDetails.vout.length; i++) {
const thisVout = txDetails.vout[i]
if (!thisVout.tokenQty && thisVout.tokenQty !== 0) {
thisVout.tokenQty = null
}
}
// Loop through each input and retrieve the token data.
for (let i = 0; i < txDetails.vin.length; i++) {
const thisVin = txDetails.vin[i]
// console.log(`thisVin: ${JSON.stringify(thisVin, null, 2)}`)
try {
// If decodeOpReturn() throws an error, then this input is not
// from an SLP transaction and can be ignored.
const inTokenData = await this.slpUtils.decodeOpReturn(thisVin.txid)
console.log(
`vin[${i}] tokenData: ${JSON.stringify(inTokenData, null, 2)}`
)
let tokenQty = 0
if (inTokenData.txType === 'SEND') {
// Get the appropriate vout token amount. This may throw an error,
// which means this Vin is not actually a token UTXO, it was just
// associated with a previous token TX.
tokenQty = inTokenData.amounts[thisVin.vout - 1]
// console.log(`tokenQty: ${JSON.stringify(tokenQty, null, 2)}`)
//
} else if (inTokenData.txType === 'GENESIS') {
// Only vout[1] of a Genesis transaction represents the tokens.
// Any other outputs in that transaction are normal BCH UTXOs.
if (thisVin.vout === 1) {
tokenQty = inTokenData.qty
// console.log(`tokenQty: ${JSON.stringify(tokenQty, null, 2)}`)
}
} else if (inTokenData.txType === 'MINT') {
// vout=1 (second output) recieves the newly minted tokens.
if (thisVin.vout === 1) {
tokenQty = inTokenData.qty
} else if (thisVin.vout === inTokenData.mintBatonVout) {
// Vin is a Mint baton
thisVin.tokenQty = new BigNumber(0)
thisVin.tokenQtyStr = '0'
thisVin.tokenId = inTokenData.tokenId
} else {
tokenQty = null
}
//
} else {
console.log(
'Unexpected code path in Transaction.get2(). What is the txType?'
)
console.log(inTokenData)
throw new Error('Unexpected code path')
}
if (tokenQty) {
// Calculate the real quantity using a BigNumber, then convert it to a
// floating point number.
let realQty = new BigNumber(tokenQty).dividedBy(
10 ** parseInt(txDetails.tokenDecimals)
)
realQty = realQty.toString()
// realQty = parseFloat(realQty)
thisVin.tokenQtyStr = realQty
thisVin.tokenQty = parseFloat(realQty)
// txDetails.vin[i].tokenQty = tokenQty
// Add token ID to input
thisVin.tokenId = inTokenData.tokenId
} else {
thisVin.tokenQty = null
thisVin.tokenQtyStr = null
}
} catch (err) {
// If decodeOpReturn() throws an error, then this input is not
// from an SLP transaction and can be ignored.
// thisVin.tokenQty = null
thisVin.tokenQty = null
thisVin.tokenQtyStr = null
continue
}
}
} catch (err) {
// console.log('Error: ', err)
// This case handles rate limit errors.
if (err.response && err.response.data && err.response.data.error) {
throw new Error(err.response.data.error)
}
// If decoding the op_return fails, then it's not an SLP transaction,
// and the non-hyrated TX details can be returned.
return txDetails
}
return txDetails
} catch (err) {
// console.error('Error in transactions.js/get(): ', err)
// This case handles rate limit errors.
if (err.response && err.response.data && err.response.data.error) {
throw new Error(err.response.data.error)
}
if (err.error) throw new Error(err.error)
throw err
}
}
// Refactoring code in a more structured way
async get3 (txid) {
try {
if (typeof txid !== 'string') {
@@ -454,13 +265,14 @@ class Transaction {
txDetails.blockhash
)
txDetails.blockheight = blockHeader.height
// console.log(`blockHeader: ${JSON.stringify(blockHeader, null, 2)}`)
// Set default as not an SLP tx
txDetails.isSlpTx = false
// Get Token Data
const txTokenData = await this.getTokenInfo(txid)
console.log(`txTokenData: ${JSON.stringify(txTokenData, null, 2)}`)
// console.log(`txTokenData: ${JSON.stringify(txTokenData, null, 2)}`)
// If not a token, return the tx data. Processing is complete.
if (!txTokenData) return txDetails
@@ -471,7 +283,7 @@ class Transaction {
// Get Genesis data
const genesisData = await this.getTokenInfo(txTokenData.tokenId)
console.log(`genesisData: ${JSON.stringify(genesisData, null, 2)}`)
// console.log(`genesisData: ${JSON.stringify(genesisData, null, 2)}`)
// Add token information to the tx details object.
txDetails.tokenTxType = txTokenData.txType
@@ -489,7 +301,9 @@ class Transaction {
for (let i = 0; i < txDetails.vout.length; i++) {
const thisVout = txDetails.vout[i]
if (txTokenData.txType === 'SEND') {
console.log(`txTokenData: ${JSON.stringify(txTokenData, null, 2)}`)
// console.log(
// `output txTokenData: ${JSON.stringify(txTokenData, null, 2)}`
// )
// First output is OP_RETURN, so tokenQty is null.
if (i === 0) {
@@ -518,11 +332,16 @@ class Transaction {
txDetails.vout[i].tokenQtyStr = realQty
txDetails.vout[i].tokenQty = parseFloat(realQty)
console.log(
`thisVout ${i}: ${JSON.stringify(txDetails.vout[i], null, 2)}`
)
} else if (txTokenData.txType === 'GENESIS' || txTokenData.txType === 'MINT') {
console.log(`txTokenData: ${JSON.stringify(txTokenData, null, 2)}`)
// console.log(
// `thisVout ${i}: ${JSON.stringify(txDetails.vout[i], null, 2)}`
// )
} else if (
txTokenData.txType === 'GENESIS' ||
txTokenData.txType === 'MINT'
) {
// console.log(
// `output txTokenData: ${JSON.stringify(txTokenData, null, 2)}`
// )
let tokenQty = 0 // Default value
@@ -530,7 +349,7 @@ class Transaction {
// Any other outputs in that transaction are normal BCH UTXOs.
if (i === 1) {
tokenQty = txTokenData.qty
console.log(`tokenQty: ${JSON.stringify(tokenQty, null, 2)}`)
// console.log(`tokenQty: ${JSON.stringify(tokenQty, null, 2)}`)
// Calculate the real quantity using a BigNumber, then convert it to a
// floating point number.
@@ -542,7 +361,7 @@ class Transaction {
thisVout.tokenQtyStr = realQty
thisVout.tokenQty = parseFloat(realQty)
console.log(`thisVout[${i}]: ${JSON.stringify(thisVout, null, 2)}`)
// console.log(`thisVout[${i}]: ${JSON.stringify(thisVout, null, 2)}`)
} else if (i === txTokenData.mintBatonVout) {
// Optional Mint baton
thisVout.tokenQtyStr = '0'
@@ -560,9 +379,12 @@ class Transaction {
// Process TX inputs
for (let i = 0; i < txDetails.vin.length; i++) {
const thisVin = txDetails.vin[i]
// console.log(`thisVin[${i}]: ${JSON.stringify(thisVin, null, 2)}`)
const vinTokenData = await this.getTokenInfo(thisVin.txid)
console.log(`vinTokenData: ${JSON.stringify(vinTokenData, null, 2)}`)
// console.log(
// `vinTokenData ${i}: ${JSON.stringify(vinTokenData, null, 2)}`
// )
// Corner case: Ensure the token ID is the same.
const vinTokenIdIsTheSame = vinTokenData.tokenId === txDetails.tokenId
@@ -577,7 +399,9 @@ class Transaction {
}
if (vinTokenData.txType === 'SEND') {
console.log(`vinTokenData: ${JSON.stringify(vinTokenData, null, 2)}`)
// console.log(
// `SEND vinTokenData ${i}: ${JSON.stringify(vinTokenData, null, 2)}`
// )
const tokenQty = vinTokenData.amounts[thisVin.vout - 1]
// console.log(`tokenQty: ${JSON.stringify(tokenQty, null, 2)}`)
@@ -593,8 +417,49 @@ class Transaction {
thisVin.tokenQtyStr = realQty
thisVin.tokenQty = parseFloat(realQty)
thisVin.tokenId = vinTokenData.tokenId
} else if (vinTokenData.txType === 'GENESIS' || vinTokenData.txType === 'MINT') {
console.log(`vinTokenData: ${JSON.stringify(vinTokenData, null, 2)}`)
} else if (vinTokenData.txType === 'MINT') {
// console.log(
// `MINT vinTokenData ${i}: ${JSON.stringify(vinTokenData, null, 2)}`
// )
let tokenQty = 0 // Default value
// Only vout[1] of a Genesis transaction represents the tokens.
// Any other outputs in that transaction are normal BCH UTXOs.
if (thisVin.vout === 1) {
tokenQty = vinTokenData.qty
// console.log(`tokenQty: ${JSON.stringify(tokenQty, null, 2)}`)
// Calculate the real quantity using a BigNumber, then convert it to a
// floating point number.
let realQty = new BigNumber(tokenQty).dividedBy(
10 ** parseInt(txDetails.tokenDecimals)
)
realQty = realQty.toString()
// realQty = parseFloat(realQty)
thisVin.tokenQtyStr = realQty
thisVin.tokenQty = parseFloat(realQty)
thisVin.tokenId = vinTokenData.tokenId
} else if (thisVin.vout === vinTokenData.mintBatonVout) {
// Optional Mint baton
thisVin.tokenQtyStr = '0'
thisVin.tokenQty = 0
thisVin.tokenId = vinTokenData.tokenId
thisVin.isMintBaton = true
} else {
thisVin.tokenQtyStr = '0'
thisVin.tokenQty = 0
thisVin.tokenId = null
}
} else if (vinTokenData.txType === 'GENESIS') {
// console.log(
// `GENESIS vinTokenData ${i}: ${JSON.stringify(
// vinTokenData,
// null,
// 2
// )}`
// )
let tokenQty = 0 // Default value
@@ -627,21 +492,13 @@ class Transaction {
thisVin.tokenId = null
}
} else {
console.log(`vinTokenData: ${JSON.stringify(vinTokenData, null, 2)}`)
console.log(
`Unknown vinTokenData: ${JSON.stringify(vinTokenData, null, 2)}`
)
throw new Error('Unknown token type in input')
}
}
// if SEND
// if GENSIS
// if MINT
// Update Inputs
// if not SLP
// Ensure tokenID matches
// if SEND
// if GENESIS
// if MINT
return txDetails
} catch (err) {
console.error('Error in get3()')