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Fix set-individual-freeze when trustline exists

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This commit is contained in:
Jackson Mills
2021-10-15 16:42:53 -07:00
parent 30fbc2e42a
commit ae72b1e024
1 changed files with 44 additions and 27 deletions
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59
content/_code-samples/freeze/set-individual-freeze.js
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@@ -10,10 +10,10 @@ async function main() {
console.log(errorCode + ': ' + errorMessage); console.log(errorCode + ': ' + errorMessage);
}); });
// Generates a test account
const { wallet, balance } = await client.fundWallet() const { wallet, balance } = await client.fundWallet()
const issuing_address = wallet.classicAddress
//const issuing_address = 'rf1BiGeXwwQoi8Z2ueFYTEXSwuJYfV2Jpn'; const issuing_address = wallet.classicAddress
const address_to_freeze = 'rUpy3eEg8rqjqfUoLeBnZkscbKbFsKXC3v'; const address_to_freeze = 'rUpy3eEg8rqjqfUoLeBnZkscbKbFsKXC3v';
const currency_to_freeze = 'USD'; const currency_to_freeze = 'USD';
@@ -24,39 +24,56 @@ async function main() {
peer: address_to_freeze, peer: address_to_freeze,
}; };
console.log('looking up', currency_to_freeze, 'trust line from', console.log('Looking up', currency_to_freeze, 'trust line from',
issuing_address, 'to', address_to_freeze); issuing_address, 'to', address_to_freeze);
const data = await client.request(account_lines) const data = await client.request(account_lines)
const trustlines = data.result.lines
let trustset = {}; // There can only be one trust line per currency code per account,
if (data.length !== 1) { // so we stop after the first match
console.log('trustline not found, making a default one'); let trustline = null;
for (let i = 0; i < trustlines.length; i++) {
if(trustlines[i].currency === currency_to_freeze) {
trustline = trustlines[i]
break
}
}
// Prepare a TrustSet transaction to create a trust line let limit = null;
trustset = { if(trustline === null) {
TransactionType: 'TrustSet', console.log('Trustline not found, making a default one');
Account: issuing_address,
LimitAmount: { limit = {
value: '0', value: '0',
currency: currency_to_freeze, currency: currency_to_freeze,
issuer: address_to_freeze, issuer: address_to_freeze,
} }
};
// For JS users, this lets you check if your transaction is well-formed
validate(trustset)
} else { } else {
trustset = data[0].specification; console.log('Found existing trustline: ', trustline)
console.log('trustline found. previous state:', trustline);
limit = {
value: trustline.limit,
currency: trustline.currency,
issuer: trustline.account
}
} }
trustset.Flags = xrpl.TrustSetFlags.tfSetFreeze; const trust_set = {
TransactionType: 'TrustSet',
Account: issuing_address,
LimitAmount: limit,
// Signal to freeze the individual trust line
Flags: xrpl.TrustSetFlags.tfSetFreeze
}
console.log('submitting tx:', trustset); // For JS users, validate lets you check if your transaction is well-formed
await client.submitReliable(wallet, trustset) validate(trust_set)
console.log('Submitting TrustSet tx:', trust_set);
const result = await client.submitReliable(wallet, trust_set)
console.log('Submitted tx!')
client.disconnect() client.disconnect()
} }