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https://github.com/XRPLF/xrpl-dev-portal.git
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update to match existing modular tutorials
This commit is contained in:
Oliver Eggert
331
_code-samples/quickstart/js/ripplex12-add-to-amm.js
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331
_code-samples/quickstart/js/ripplex12-add-to-amm.js
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// Deposit assets to existing AMM.
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async function addAssets() {
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let net = getNet()
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const client = new xrpl.Client(net)
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results = `\n\nConnecting to ${getNet()} ...`
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standbyResultField.value = results
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await client.connect()
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results += '\n\nConnected.'
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standbyResultField.value = results
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const standby_wallet = xrpl.Wallet.fromSeed(standbySeedField.value)
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const operational_wallet = xrpl.Wallet.fromSeed(operationalSeedField.value)
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const addXRP = standbyBalanceField.value
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const currency_code = standbyCurrencyField.value
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const addCurrency = standbyAmountField.value
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let ammdeposit = null
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if (addXRP && addCurrency) {
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ammdeposit = {
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"TransactionType": "AMMDeposit",
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"Asset": {
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currency: "XRP"
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},
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"Asset2": {
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currency: currency_code,
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issuer: operational_wallet.address
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},
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"Account": standby_wallet.address,
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"Amount": xrpl.xrpToDrops(addXRP),
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"Amount2": {
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currency: currency_code,
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issuer: operational_wallet.address,
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value: addCurrency
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},
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"Flags": 0x00100000
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}
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} else if ( addXRP ) {
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ammdeposit = {
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"TransactionType": "AMMDeposit",
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"Asset": {
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currency: "XRP"
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},
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"Asset2": {
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currency: currency_code,
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issuer: operational_wallet.address
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},
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"Account": standby_wallet.address,
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"Amount": xrpl.xrpToDrops(addXRP),
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"Flags": 0x00080000
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}
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} else if ( addCurrency ) {
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ammdeposit = {
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"TransactionType": "AMMDeposit",
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"Asset": {
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currency: "XRP"
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},
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"Asset2": {
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currency: currency_code,
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issuer: operational_wallet.address
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},
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"Account": standby_wallet.address,
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"Amount": {
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currency: currency_code,
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issuer: operational_wallet.address,
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value: addCurrency
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},
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"Flags": 0x00080000
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}
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} else {
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results += `\n\nNo assets selected to add ...`
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standbyResultField.value = results
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standbyResultField.scrollTop = standbyResultField.scrollHeight
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}
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const prepared_deposit = await client.autofill(ammdeposit)
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results += `\n\nPrepared transaction:\n${JSON.stringify(prepared_deposit, null, 2)}`
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standbyResultField.value = results
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standbyResultField.scrollTop = standbyResultField.scrollHeight
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const signed_deposit = standby_wallet.sign(prepared_deposit)
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results += `\n\nSending AMMDeposit transaction ...`
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standbyResultField.value = results
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standbyResultField.scrollTop = standbyResultField.scrollHeight
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const lp_deposit = await client.submitAndWait(signed_deposit.tx_blob)
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if (lp_deposit.result.meta.TransactionResult == "tesSUCCESS") {
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results += `\n\nTransaction succeeded.`
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} else {
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results += `\n\nError sending transaction: ${lp_deposit}`
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}
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standbyResultField.value = results
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standbyResultField.scrollTop = standbyResultField.scrollHeight
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// Update LP token balance.
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standbyWalletBalances = (await client.getBalances(standby_wallet.address))
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const amm_info_request = {
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"command": "amm_info",
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"asset": {
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"currency": "XRP"
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},
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"asset2": {
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"currency": currency_code,
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"issuer": operational_wallet.address
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},
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"ledger_index": "validated"
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}
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const amm_info_result = await client.request(amm_info_request)
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// Get the AMM account address that issues LP tokens to depositors
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ammAccount = amm_info_result.result.amm.account
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const lpCurrency = standbyWalletBalances.find(item => item.issuer === ammAccount);
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const lpValue = lpCurrency ? lpCurrency.value : 'Currency not found';
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standbyLPField.value = lpValue
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client.disconnect()
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}
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// Vote on AMM trading fees
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async function voteFees() {
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let net = getNet()
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const client = new xrpl.Client(net)
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results = `\n\nConnecting to ${getNet()} ...`
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standbyResultField.value = results
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await client.connect()
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results += '\n\nConnected.'
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standbyResultField.value = results
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const standby_wallet = xrpl.Wallet.fromSeed(standbySeedField.value)
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const operational_wallet = xrpl.Wallet.fromSeed(operationalSeedField.value)
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const currency_code = standbyCurrencyField.value
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const voteFee = standbyFeeField.value
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const ammvote = {
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"TransactionType": "AMMVote",
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"Asset": {
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"currency": "XRP"
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},
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"Asset2": {
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"currency": currency_code,
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"issuer": operational_wallet.address
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},
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"Account": standby_wallet.address,
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"TradingFee": Number(voteFee)
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}
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const prepared_vote = await client.autofill(ammvote)
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results += `\n\nPrepared transaction:\n${JSON.stringify(prepared_vote, null, 2)}`
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standbyResultField.value = results
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standbyResultField.scrollTop = standbyResultField.scrollHeight
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const signed_vote = standby_wallet.sign(prepared_vote)
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results += `\n\nSending AMMVote transaction ...`
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standbyResultField.value = results
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standbyResultField.scrollTop = standbyResultField.scrollHeight
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const response_vote = await client.submitAndWait(signed_vote.tx_blob)
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if (response_vote.result.meta.TransactionResult == "tesSUCCESS") {
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results += `\n\nTransaction succeeded.`
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} else {
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results += `\n\nError sending transaction: ${response_vote}`
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}
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standbyResultField.value = results
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standbyResultField.scrollTop = standbyResultField.scrollHeight
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client.disconnect()
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}
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// Calculate the value of your LP tokens.
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async function calculateLP() {
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let net = getNet()
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const client = new xrpl.Client(net)
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results = `\n\nConnecting to ${getNet()} ...`
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standbyResultField.value = results
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await client.connect()
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results += '\n\nConnected.'
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standbyResultField.value = results
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const operational_wallet = xrpl.Wallet.fromSeed(operationalSeedField.value)
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const currency_code = standbyCurrencyField.value
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const LPTokens = standbyLPField.value
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const amm_info = (await client.request({
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"command": "amm_info",
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"asset": {
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"currency": "XRP"
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},
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"asset2": {
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"currency": currency_code,
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"issuer": operational_wallet.address
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}
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}))
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const my_share = LPTokens / amm_info.result.amm.lp_token.value
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const my_asset1 = (amm_info.result.amm.amount * my_share) / 1000000
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const my_asset2 = amm_info.result.amm.amount2.value * my_share
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results += `\n\nMy ${LPTokens} LP tokens are worth:\n
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XRP: ${my_asset1}
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${amm_info.result.amm.amount2.currency}: ${my_asset2}`
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standbyResultField.value = results
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standbyResultField.scrollTop = standbyResultField.scrollHeight
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client.disconnect()
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}
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// Withdraw by redeeming LP tokens.
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async function redeemLP() {
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let net = getNet()
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const client = new xrpl.Client(net)
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results = `\n\nConnecting to ${getNet()} ...`
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standbyResultField.value = results
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await client.connect()
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results += '\n\nConnected.'
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standbyResultField.value = results
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const standby_wallet = xrpl.Wallet.fromSeed(standbySeedField.value)
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const operational_wallet = xrpl.Wallet.fromSeed(operationalSeedField.value)
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const currency_code = standbyCurrencyField.value
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const LPTokens = standbyLPField.value
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// Get LP token info.
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const amm_info_request = {
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"command": "amm_info",
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"asset": {
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"currency": "XRP"
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},
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"asset2": {
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"currency": currency_code,
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"issuer": operational_wallet.address
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},
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"ledger_index": "validated"
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}
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const amm_info_result = await client.request(amm_info_request)
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const ammIssuer = amm_info_result.result.amm.lp_token.issuer
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const ammCurrency = amm_info_result.result.amm.lp_token.currency
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const ammwithdraw = {
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"TransactionType": "AMMWithdraw",
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"Asset": {
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"currency": "XRP"
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},
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"Asset2": {
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"currency": currency_code,
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"issuer": operational_wallet.address
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},
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"Account": standby_wallet.address,
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"LPTokenIn": {
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currency: ammCurrency,
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issuer: ammIssuer,
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value: LPTokens
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},
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"Flags": 0x00010000
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}
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const prepared_withdraw = await client.autofill(ammwithdraw)
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results += `\n\nPrepared transaction:\n${JSON.stringify(prepared_withdraw, null, 2)}`
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standbyResultField.value = results
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standbyResultField.scrollTop = standbyResultField.scrollHeight
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const signed_withdraw = standby_wallet.sign(prepared_withdraw)
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results += `\n\nSending AMMWithdraw transaction ...`
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standbyResultField.value = results
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standbyResultField.scrollTop = standbyResultField.scrollHeight
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const response_withdraw = await client.submitAndWait(signed_withdraw.tx_blob)
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if (response_withdraw.result.meta.TransactionResult == "tesSUCCESS") {
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results += `\n\nTransaction succeeded. Updating balances ...`
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} else {
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results += `\n\nError sending transaction: ${response_withdraw}`
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}
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standbyResultField.value = results
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standbyResultField.scrollTop = standbyResultField.scrollHeight
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// Update standby wallet XRP, token, and LP balances.
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standbyBalanceField.value = (await client.getXrpBalance(standby_wallet.address))
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walletBalances = (await client.getBalances(standby_wallet.address))
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const currencyAmount = walletBalances.find(item => item.currency === currency_code);
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const currencyValue = currencyAmount ? currencyAmount.value : 'Currency not found';
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standbyAmountField.value = currencyValue
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ammAccount = amm_info_result.result.amm.account
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const lpCurrency = walletBalances.find(item => item.issuer === ammAccount);
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const lpValue = lpCurrency ? lpCurrency.value : 'Currency not found';
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standbyLPField.value = lpValue
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client.disconnect()
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}
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