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Inform client when Electrum server limit exceeded

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This commit is contained in:
softsimon
2021-01-05 17:30:53 +07:00
parent 1a6c2e79e6
commit f46728080d
3 changed files with 70 additions and 42 deletions
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84
backend/src/api/bitcoin/electrum-api.ts
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@@ -83,29 +83,35 @@ class BitcoindElectrsApi extends BitcoinApi implements AbstractBitcoinApi {
});
}
const balance = await this.$getScriptHashBalance(addressInfo.scriptPubKey);
const history = await this.$getScriptHashHistory(addressInfo.scriptPubKey);
try {
const balance = await this.$getScriptHashBalance(addressInfo.scriptPubKey);
const history = await this.$getScriptHashHistory(addressInfo.scriptPubKey);
const unconfirmed = history.filter((h) => h.fee).length;
const unconfirmed = history.filter((h) => h.fee).length;
return {
'address': addressInfo.address,
'chain_stats': {
'funded_txo_count': 0,
'funded_txo_sum': balance.confirmed ? balance.confirmed : 0,
'spent_txo_count': 0,
'spent_txo_sum': balance.confirmed < 0 ? balance.confirmed : 0,
'tx_count': history.length - unconfirmed,
},
'mempool_stats': {
'funded_txo_count': 0,
'funded_txo_sum': balance.unconfirmed > 0 ? balance.unconfirmed : 0,
'spent_txo_count': 0,
'spent_txo_sum': balance.unconfirmed < 0 ? -balance.unconfirmed : 0,
'tx_count': unconfirmed,
return {
'address': addressInfo.address,
'chain_stats': {
'funded_txo_count': 0,
'funded_txo_sum': balance.confirmed ? balance.confirmed : 0,
'spent_txo_count': 0,
'spent_txo_sum': balance.confirmed < 0 ? balance.confirmed : 0,
'tx_count': history.length - unconfirmed,
},
'mempool_stats': {
'funded_txo_count': 0,
'funded_txo_sum': balance.unconfirmed > 0 ? balance.unconfirmed : 0,
'spent_txo_count': 0,
'spent_txo_sum': balance.unconfirmed < 0 ? -balance.unconfirmed : 0,
'tx_count': unconfirmed,
}
};
} catch (e) {
if (e === 'failed to get confirmed status') {
e = 'The number of transactions on this address exceeds the Electrum server limit';
}
};
throw new Error(e);
}
}
async $getAddressTransactions(address: string, lastSeenTxId: string): Promise<IEsploraApi.Transaction[]> {
@@ -113,26 +119,34 @@ class BitcoindElectrsApi extends BitcoinApi implements AbstractBitcoinApi {
if (!addressInfo || !addressInfo.isvalid) {
return [];
}
const transactions: IEsploraApi.Transaction[] = [];
const history = await this.$getScriptHashHistory(addressInfo.scriptPubKey);
history.reverse();
let startingIndex = 0;
if (lastSeenTxId) {
const pos = history.findIndex((historicalTx) => historicalTx.tx_hash === lastSeenTxId);
if (pos) {
startingIndex = pos + 1;
try {
const transactions: IEsploraApi.Transaction[] = [];
const history = await this.$getScriptHashHistory(addressInfo.scriptPubKey);
history.reverse();
let startingIndex = 0;
if (lastSeenTxId) {
const pos = history.findIndex((historicalTx) => historicalTx.tx_hash === lastSeenTxId);
if (pos) {
startingIndex = pos + 1;
}
}
}
for (let i = startingIndex; i < Math.min(startingIndex + 10, history.length); i++) {
const tx = await this.$getRawTransaction(history[i].tx_hash, false, true);
if (tx) {
transactions.push(tx);
for (let i = startingIndex; i < Math.min(startingIndex + 10, history.length); i++) {
const tx = await this.$getRawTransaction(history[i].tx_hash, false, true);
if (tx) {
transactions.push(tx);
}
}
}
return transactions;
return transactions;
} catch (e) {
if (e === 'failed to get confirmed status') {
e = 'The number of transactions on this address exceeds the Electrum server limit';
}
throw new Error(e);
}
}
private $getScriptHashBalance(scriptHash: string): Promise<IElectrumApi.ScriptHashBalance> {