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Convert fund management

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- Added Withdrawal of convert fund
- Convert fund is moved to a different table (ConvertFund)
- Added APIs for withdraw fund
- Changed add-convert-fund to deposit-convert-fund
- Fixed minor bugs
This commit is contained in:
sairajzero 2022-10-19 21:26:11 +05:30
parent 970b4547cb
commit 0381c44733
6 changed files with 244 additions and 43 deletions
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80
docs/scripts/floExchangeAPI.js
View File

@ -1314,7 +1314,7 @@
})
}
exchangeAPI.addConvertFundCurrency = function (amount, floID, sinkID, privKey) {
exchangeAPI.depositConvertFundCurrency = function (amount, floID, sinkID, privKey) {
return new Promise((resolve, reject) => {
if (!floCrypto.verifyPrivKey(privKey, floID))
return reject(ExchangeError(ExchangeError.BAD_REQUEST_CODE, "Invalid Private Key", errorCode.INVALID_PRIVATE_KEY));
@ -1328,14 +1328,14 @@
timestamp: Date.now()
};
request.sign = signRequest({
type: "add_convert_currency_fund",
type: "deposit_convert_currency_fund",
coin: request.coin,
txid: txid,
timestamp: request.timestamp
}, privKey);
console.debug(request);
fetch_api('/add-convert-currency-fund', {
fetch_api('/deposit-convert-currency-fund', {
method: "POST",
headers: {
'Content-Type': 'application/json'
@ -1350,7 +1350,7 @@
})
}
exchangeAPI.addConvertFundBTC = function (quantity, floID, sinkID, privKey) {
exchangeAPI.depositConvertFundBTC = function (quantity, floID, sinkID, privKey) {
return new Promise((resolve, reject) => {
if (!floCrypto.verifyPrivKey(privKey, floID))
return reject(ExchangeError(ExchangeError.BAD_REQUEST_CODE, "Invalid Private Key", errorCode.INVALID_PRIVATE_KEY));
@ -1366,14 +1366,14 @@
timestamp: Date.now()
};
request.sign = signRequest({
type: "add_convert_coin_fund",
type: "deposit_convert_coin_fund",
coin: request.coin,
txid: data.txid,
timestamp: request.timestamp
}, proxySecret || privKey);
console.debug(request);
fetch_api('/add-convert-coin-fund', {
fetch_api('/deposit-convert-coin-fund', {
method: "POST",
headers: {
'Content-Type': 'application/json'
@ -1388,6 +1388,74 @@
})
}
exchangeAPI.withdrawConvertFundCurrency = function (amount, floID, privKey) {
return new Promise((resolve, reject) => {
if (!floCrypto.verifyPrivKey(privKey, floID))
return reject(ExchangeError(ExchangeError.BAD_REQUEST_CODE, "Invalid Private Key", errorCode.INVALID_PRIVATE_KEY));
if (floID !== floGlobals.adminID)
return reject(ExchangeError(ExchangeError.BAD_REQUEST_CODE, "Access Denied", errorCode.ACCESS_DENIED));
let request = {
floID: floID,
amount: amount,
coin: "BTC",
timestamp: Date.now()
};
request.sign = signRequest({
type: "withdraw_convert_currency_fund",
coin: request.coin,
amount: amount,
timestamp: request.timestamp
}, privKey);
console.debug(request);
fetch_api('/withdraw-convert-currency-fund', {
method: "POST",
headers: {
'Content-Type': 'application/json'
},
body: JSON.stringify(request)
}).then(result => {
responseParse(result, false)
.then(result => resolve(result))
.catch(error => reject(error))
}).catch(error => reject(error))
})
}
exchangeAPI.withdrawConvertFundCurrency = function (quantity, floID, privKey) {
return new Promise((resolve, reject) => {
if (!floCrypto.verifyPrivKey(privKey, floID))
return reject(ExchangeError(ExchangeError.BAD_REQUEST_CODE, "Invalid Private Key", errorCode.INVALID_PRIVATE_KEY));
if (floID !== floGlobals.adminID)
return reject(ExchangeError(ExchangeError.BAD_REQUEST_CODE, "Access Denied", errorCode.ACCESS_DENIED));
let request = {
floID: floID,
quantity: quantity,
coin: "BTC",
timestamp: Date.now()
};
request.sign = signRequest({
type: "withdraw_convert_coin_fund",
coin: request.coin,
quantity: quantity,
timestamp: request.timestamp
}, privKey);
console.debug(request);
fetch_api('/withdraw-convert-coin-fund', {
method: "POST",
headers: {
'Content-Type': 'application/json'
},
body: JSON.stringify(request)
}).then(result => {
responseParse(result, false)
.then(result => resolve(result))
.catch(error => reject(error))
}).catch(error => reject(error))
})
}
exchangeAPI.closeBlockchainBond = function (bond_id, floID, privKey) {
return new Promise((resolve, reject) => {
if (!floCrypto.verifyPrivKey(privKey, floID))

6
src/app.js
View File

@ -88,8 +88,10 @@ module.exports = function App(secret, DB) {
//convert from or to coin
app.post('/convert-to', Request.ConvertTo);
app.post('/convert-from', Request.ConvertFrom);
app.post('/add-convert-coin-fund', Request.AddConvertCoinFund);
app.post('/add-convert-currency-fund', Request.AddConvertCurrencyFund);
app.post('/deposit-convert-coin-fund', Request.DepositConvertCoinFund);
app.post('/deposit-convert-currency-fund', Request.DepositConvertCurrencyFund);
app.post('/withdraw-convert-coin-fund', Request.WithdrawConvertCoinFund);
app.post('/withdraw-convert-currency-fund', Request.WithdrawConvertCurrencyFund);
//close blockchain-bond
app.post('/close-blockchain-bonds', Request.CloseBlockchainBond);

76
src/background.js
View File

@ -222,7 +222,7 @@ verifyTx.BTC = function (sender, txid) {
function verifyConvert() {
DB.query("SELECT id, floID, mode, in_txid, amount, quantity FROM DirectConvert WHERE status=? AND coin=?", ["PENDING", "BTC"]).then(results => {
results.forEach(r => {
if (mode == _sql.CONVERT_MODE_GET) {
if (r.mode == _sql.CONVERT_MODE_GET) {
verifyTx.token(r.floID, r.in_txid, true).then(({ amount }) => {
if (r.amount !== amount)
throw ([true, "Transaction amount mismatched in blockchain"]);
@ -235,7 +235,7 @@ function verifyConvert() {
DB.query("UPDATE DirectConvert SET status=? WHERE id=?", ["REJECTED", r.id])
.then(_ => null).catch(error => console.error(error));
});
} else if (mode == _sql.CONVERT_MODE_PUT) {
} else if (r.mode == _sql.CONVERT_MODE_PUT) {
verifyTx.BTC(r.floID, r.in_txid).then(quantity => {
if (r.quantity !== quantity)
throw ([true, "Transaction quantity mismatched in blockchain"]);
@ -256,9 +256,9 @@ function verifyConvert() {
function retryConvert() {
DB.query("SELECT id, floID, mode, amount, quantity FROM DirectConvert WHERE status=? AND coin=?", ["PROCESSING", "BTC"]).then(results => {
results.forEach(r => {
if (mode == _sql.CONVERT_MODE_GET)
if (r.mode == _sql.CONVERT_MODE_GET)
blockchain.convertToCoin.retry(r.floID, "BTC", r.quantity, r.id);
else if (mode == _sql.CONVERT_MODE_PUT)
else if (r.mode == _sql.CONVERT_MODE_PUT)
blockchain.convertFromCoin.retry(r.floID, r.amount, r.id)
})
}).catch(error => console.error(error))
@ -267,7 +267,7 @@ function retryConvert() {
function confirmConvert() {
DB.query("SELECT id, floID, mode, amount, quantity, out_txid FROM DirectConvert WHERE status=? AND coin=?", ["WAITING_CONFIRMATION", "BTC"]).then(results => {
results.forEach(r => {
if (mode == _sql.CONVERT_MODE_GET)
if (r.mode == _sql.CONVERT_MODE_GET)
btcOperator.getTx(r.out_txid).then(tx => {
if (!tx.blockhash || !tx.confirmations) //Still not confirmed
return;
@ -275,7 +275,7 @@ function confirmConvert() {
.then(result => console.debug(`${r.floID} converted ${amount} to ${r.quantity} BTC`))
.catch(error => console.error(error))
}).catch(error => console.error(error));
else if (mode == _sql.CONVERT_MODE_PUT)
else if (r.mode == _sql.CONVERT_MODE_PUT)
floTokenAPI.getTx(r.out_txid).then(tx => {
if (!tx.transactionDetails.blockheight || !tx.transactionDetails.confirmations) //Still not confirmed
return;
@ -287,27 +287,27 @@ function confirmConvert() {
}).catch(error => console.error(error));
}
function convert_depositFund() {
DB.query("SELECT id, floID, mode, in_txid FROM DirectConvert WHERE status=? AND coin=?", ["DEPOSIT_PENDING", "BTC"]).then(results => {
function verifyConvertFundDeposit() {
DB.query("SELECT id, floID, mode, txid FROM ConvertFund WHERE status=? AND coin=?", ["PROCESSING", "BTC"]).then(results => {
results.forEach(r => {
if (mode == _sql.CONVERT_MODE_GET) {
verifyTx.token(r.floID, r.in_txid, true).then(({ amount }) => {
DB.query("UPDATE DirectConvert SET status=?, amount=? WHERE id=?", ["DEPOSIT_SUCCESS", amount, r.id])
if (r.mode == _sql.CONVERT_MODE_GET) { //deposit currency
verifyTx.token(r.floID, r.txid, true).then(({ amount }) => {
DB.query("UPDATE ConvertFund SET status=?, amount=? WHERE id=?", ["SUCCESS", amount, r.id])
.then(_ => null).catch(error => console.error(error));
}).catch(error => {
console.error(error);
if (error[0])
DB.query("UPDATE DirectConvert SET status=? WHERE id=?", ["REJECTED", r.id])
DB.query("UPDATE ConvertFund SET status=? WHERE id=?", ["REJECTED", r.id])
.then(_ => null).catch(error => console.error(error));
});
} else if (mode == _sql.CONVERT_MODE_PUT) {
verifyTx.BTC(r.floID, r.in_txid).then(quantity => {
DB.query("UPDATE DirectConvert SET status=?, quantity=? WHERE id=?", ["DEPOSIT_SUCCESS", quantity, r.id])
} else if (r.mode == _sql.CONVERT_MODE_PUT) {//deposit coin
verifyTx.BTC(r.floID, r.txid).then(quantity => {
DB.query("UPDATE ConvertFund SET status=?, quantity=? WHERE id=?", ["SUCCESS", quantity, r.id])
.then(_ => null).catch(error => console.error(error));
}).catch(error => {
console.error(error);
if (error[0])
DB.query("UPDATE DirectConvert SET status=? WHERE id=?", ["REJECTED", r.id])
DB.query("UPDATE ConvertFund SET status=? WHERE id=?", ["REJECTED", r.id])
.then(_ => null).catch(error => console.error(error));
});
}
@ -315,6 +315,41 @@ function convert_depositFund() {
}).catch(error => console.error(error))
}
function retryConvertFundWithdraw() {
DB.query("SELECT id, mode, coin, quantity, amount FROM ConvertFund WHERE status=? AND coin=?", ["PENDING", "BTC"]).then(results => {
results.forEach(r => {
if (r.mode == _sql.CONVERT_MODE_GET) //withdraw coin
blockchain.convertFundWithdraw.retry(r.coin, r.quantity, r.id);
else if (r.mode == _sql.CONVERT_MODE_PUT) //withdraw currency
blockchain.convertFundWithdraw.retry(floGlobals.currency, r.amount, r.id);
})
}).catch(error => console.error(error))
}
function confirmConvertFundWithdraw() {
DB.query("SELECT * FROM ConvertFund WHERE status=? AND coin=?", ["WAITING_CONFIRMATION", "BTC"]).then(results => {
results.forEach(r => {
if (r.mode == _sql.CONVERT_MODE_GET) { //withdraw coin
btcOperator.getTx(r.txid).then(tx => {
if (!tx.blockhash || !tx.confirmations) //Still not confirmed
return;
DB.query("UPDATE ConvertFund SET status=? WHERE id=?", ["SUCCESS", r.id])
.then(result => console.debug(`Withdraw-fund ${r.quantity} ${r.coin} successful`))
.catch(error => console.error(error))
}).catch(error => console.error(error));
} else if (r.mode == _sql.CONVERT_MODE_PUT) {//withdraw currency
floTokenAPI.getTx(r.txid).then(tx => {
if (!tx.transactionDetails.blockheight || !tx.transactionDetails.confirmations) //Still not confirmed
return;
DB.query("UPDATE ConvertFund SET status=? WHERE id=?", ["SUCCESS", r.id])
.then(result => console.debug(`Withdraw-fund ${r.amount} ${floGlobals.currency} successful`))
.catch(error => console.error(error));
}).catch(error => console.error(error));
}
})
}).catch(error => console.error(error))
}
function verifyRefund() {
DB.query("SELECT id, floID, in_txid FROM RefundTransact WHERE status=?", ["PENDING"]).then(results => {
verifyTx.token(r.floID, r.in_txid, true)
@ -395,6 +430,7 @@ function confirmFundClosing() {
}
function processAll() {
//deposit-withdraw asset balance
confirmDepositFLO();
confirmDepositToken();
retryWithdrawalCoin();
@ -402,14 +438,20 @@ function processAll() {
confirmWithdrawalFLO();
confirmWithdrawalBTC();
confirmWithdrawalToken();
//convert service
verifyConvert();
retryConvert();
confirmConvert();
convert_depositFund();
verifyConvertFundDeposit();
retryConvertFundWithdraw();
confirmConvertFundWithdraw();
//blockchain-bond service
retryBondClosing();
confirmBondClosing();
//bob's fund service
retryFundClosing();
confirmFundClosing();
//refund transactions
verifyRefund();
retryRefund();
confirmRefund();

13
src/blockchain.js
View File

@ -7,6 +7,7 @@ var DB; //container for database
const TYPE_TOKEN = "TOKEN",
TYPE_COIN = "COIN",
TYPE_CONVERT = "CONVERT",
TYPE_CONVERT_POOL = "CONVERT_POOL",
TYPE_REFUND = "REFUND",
TYPE_BOND = "BOND",
TYPE_FUND = "BOB-FUND";
@ -17,6 +18,7 @@ const balance_locked = {},
[TYPE_COIN]: {},
[TYPE_TOKEN]: {},
[TYPE_CONVERT]: {},
[TYPE_CONVERT_POOL]: {},
[TYPE_REFUND]: {},
[TYPE_BOND]: {},
[TYPE_FUND]: {}
@ -65,6 +67,7 @@ const WITHDRAWAL_MESSAGE = {
[TYPE_COIN]: "(withdrawal from market)",
[TYPE_TOKEN]: "(withdrawal from market)",
[TYPE_CONVERT]: "(convert coin)",
[TYPE_CONVERT_POOL]: "(convert fund)",
[TYPE_REFUND]: "(refund from market)",
[TYPE_BOND]: "(bond closing)",
[TYPE_FUND]: "(fund investment closing)"
@ -87,6 +90,7 @@ const updateSyntax = {
[TYPE_COIN]: "UPDATE WithdrawCoin SET status=?, txid=? WHERE id=?",
[TYPE_TOKEN]: "UPDATE WithdrawToken SET status=?, txid=? WHERE id=?",
[TYPE_CONVERT]: "UPDATE DirectConvert SET status=?, out_txid=? WHERE id=?",
[TYPE_CONVERT_POOL]: "UPDATE ConvertFund SET status=?, txid=? WHERE id=?",
[TYPE_REFUND]: "UPDATE RefundTransact SET status=?, out_txid=? WHERE id=?",
[TYPE_BOND]: "UPDATE CloseBondTransact SET status=?, txid=? WHERE id=?",
[TYPE_FUND]: "UPDATE CloseFundTransact SET status=?, txid=? WHERE id=?"
@ -163,6 +167,12 @@ function convertFromCoin_retry(floID, currency_amount, id) {
else sendAsset(floID, floGlobals.currency, currency_amount, TYPE_CONVERT, id);
}
function convertFundWithdraw_retry(asset, amount, id) {
if (id in callbackCollection[TYPE_CONVERT_POOL])
console.debug("A callback is already pending for this Convert fund withdrawal");
else sendAsset(floGlobals.adminID, asset, amount, TYPE_CONVERT_POOL, id);
}
function bondTransact_retry(floID, amount, id) {
if (id in callbackCollection[TYPE_BOND])
console.debug("A callback is already pending for this Bond closing");
@ -213,6 +223,9 @@ module.exports = {
init: convertFromCoin_init,
retry: convertFromCoin_retry
},
convertFundWithdraw: {
retry: convertFundWithdraw_retry
},
bondTransact: {
retry: bondTransact_retry
},

46
src/request.js
View File

@ -326,32 +326,60 @@ function ConvertFrom(req, res) {
}, () => conversion.convertFromCoin(data.floID, data.txid, data.tx_hex, data.coin, data.quantity));
}
function AddConvertCoinFund(req, res) {
function DepositConvertCoinFund(req, res) {
let data = req.body;
if (data.floID !== floGlobals.adminID)
res.status(INVALID.e_code).send(INVALID.str(eCode.ACCESS_DENIED, "Access Denied"));
else if (!data.pubKey)
res.status(INVALID.e_code).send(INVALID.str(eCode.MISSING_PARAMETER, "Public key missing"));
else processRequest(res, data.floID, data.pubKey, data.sign, "Conversion Fund", {
type: "add_convert_coin_fund",
type: "deposit_convert_coin_fund",
coin: data.coin,
txid: data.txid,
timestamp: data.timestamp
}, () => conversion.addFund.coin(data.floID, data.txid, data.coin));
}, () => conversion.depositFund.coin(data.floID, data.txid, data.coin));
}
function AddConvertCurrencyFund(req, res) {
function DepositConvertCurrencyFund(req, res) {
let data = req.body;
if (data.floID !== floGlobals.adminID)
res.status(INVALID.e_code).send(INVALID.str(eCode.ACCESS_DENIED, "Access Denied"));
else if (!data.pubKey)
res.status(INVALID.e_code).send(INVALID.str(eCode.MISSING_PARAMETER, "Public key missing"));
else processRequest(res, data.floID, data.pubKey, data.sign, "Conversion Fund", {
type: "add_convert_currency_fund",
type: "deposit_convert_currency_fund",
coin: data.coin,
txid: data.txid,
timestamp: data.timestamp
}, () => conversion.addFund.currency(data.floID, data.txid, data.coin));
}, () => conversion.depositFund.currency(data.floID, data.txid, data.coin));
}
function WithdrawConvertCoinFund(req, res) {
let data = req.body;
if (data.floID !== floGlobals.adminID)
res.status(INVALID.e_code).send(INVALID.str(eCode.ACCESS_DENIED, "Access Denied"));
else if (!data.pubKey)
res.status(INVALID.e_code).send(INVALID.str(eCode.MISSING_PARAMETER, "Public key missing"));
else processRequest(res, data.floID, data.pubKey, data.sign, "Conversion Fund", {
type: "withdraw_convert_coin_fund",
coin: data.coin,
quantity: data.quantity,
timestamp: data.timestamp
}, () => conversion.withdrawFund.coin(data.floID, data.coin, data.quantity));
}
function WithdrawConvertCurrencyFund(req, res) {
let data = req.body;
if (data.floID !== floGlobals.adminID)
res.status(INVALID.e_code).send(INVALID.str(eCode.ACCESS_DENIED, "Access Denied"));
else if (!data.pubKey)
res.status(INVALID.e_code).send(INVALID.str(eCode.MISSING_PARAMETER, "Public key missing"));
else processRequest(res, data.floID, data.pubKey, data.sign, "Conversion Fund", {
type: "withdraw_convert_currency_fund",
coin: data.coin,
amount: data.amount,
timestamp: data.timestamp
}, () => conversion.withdrawFund.currency(data.floID, data.coin, data.amount));
}
function CloseBlockchainBond(req, res) {
@ -573,8 +601,10 @@ module.exports = {
RemoveDistributor,
ConvertTo,
ConvertFrom,
AddConvertCoinFund,
AddConvertCurrencyFund,
DepositConvertCoinFund,
DepositConvertCurrencyFund,
WithdrawConvertCoinFund,
WithdrawConvertCurrencyFund,
CloseBlockchainBond,
CloseBobsFund,
set trustedIDs(ids) {

66
src/services/conversion.js
View File

@ -48,7 +48,11 @@ function checkPoolBalance(coin, req_value, mode) {
return new Promise((resolve, reject) => {
if (!allowedConversion.includes(coin))
return reject(INVALID(eCode.INVALID_TOKEN_NAME, `Invalid coin (${coin})`));
DB.query("SELECT mode, SUM(quantity) AS coin_val, SUM(amount) AS cash_val FROM DirectConvert WHERE coin=? AND status NOT IN (?) GROUP BY mode", [coin, ["REJECTED", "REFUND"]]).then(result => {
let q = "SELECT mode, SUM(quantity) AS coin_val, SUM(amount) AS cash_val FROM (" +
"(SELECT amount, coin, quantity, mode, status FROM DirectConvert) UNION " +
"(SELECT amount, coin, quantity, mode, status FROM ConvertFund) " +
") WHERE coin=? AND status NOT IN (?) GROUP BY mode"
DB.query(q, [coin, ["REJECTED", "REFUND"]]).then(result => {
let coin_net = 0, cash_net = 0;
for (let r of result)
if (r.mode == _sql.CONVERT_MODE_GET) {
@ -130,38 +134,76 @@ function convertFromCoin(floID, txid, tx_hex, coin, quantity) {
})
}
function addCurrencyFund(floID, txid, coin) {
function depositCurrencyFund(floID, txid, coin) {
return new Promise((resolve, reject) => {
if (floID !== floGlobals.adminID)
return reject(INVALID(eCode.ACCESS_DENIED, 'Access Denied'));
else if (!allowedConversion.includes(coin))
return reject(INVALID(eCode.INVALID_TOKEN_NAME, `Invalid coin (${coin})`));
DB.query("SELECT status FROM DirectConvert WHERE in_txid=? AND floID=? AND mode=?", [txid, floID, _sql.CONVERT_MODE_GET]).then(result => {
DB.query("SELECT status FROM ConvertFund WHERE txid=? AND mode=?", [txid, _sql.CONVERT_MODE_GET]).then(result => {
if (result.length)
return reject(INVALID(eCode.DUPLICATE_ENTRY, "Transaction already in process"));
DB.query("INSERT INTO DirectConvert(floID, in_txid, mode, coin, status) VALUES (?)", [[floID, b_txid, _sql.CONVERT_MODE_GET, coin, "DEPOSIT_PENDING"]])
DB.query("INSERT INTO ConvertFund(txid, mode, coin, status) VALUES (?)", [[b_txid, _sql.CONVERT_MODE_GET, coin, "PROCESSING"]])
.then(result => resolve("Add currency fund in process"))
.catch(error => reject(error))
}).catch(error => reject(error))
})
}
function addCoinFund(floID, txid, coin) {
function depositCoinFund(floID, txid, coin) {
return new Promise((resolve, reject) => {
if (floID !== floGlobals.adminID)
return reject(INVALID(eCode.ACCESS_DENIED, 'Access Denied'));
else if (!allowedConversion.includes(coin))
return reject(INVALID(eCode.INVALID_TOKEN_NAME, `Invalid coin (${coin})`));
DB.query("SELECT status FROM DirectConvert WHERE in_txid=? AND floID=? AND mode=?", [txid, floID, _sql.CONVERT_MODE_PUT]).then(result => {
DB.query("SELECT status FROM ConvertFund WHERE txid=? AND mode=?", [txid, _sql.CONVERT_MODE_PUT]).then(result => {
if (result.length)
return reject(INVALID(eCode.DUPLICATE_ENTRY, "Transaction already in process"));
DB.query("INSERT INTO DirectConvert(floID, in_txid, mode, coin, status) VALUES (?)", [[floID, b_txid, _sql.CONVERT_MODE_PUT, coin, "DEPOSIT_PENDING"]])
DB.query("INSERT INTO ConvertFund(txid, mode, coin, status) VALUES (?)", [[b_txid, _sql.CONVERT_MODE_PUT, coin, "PROCESSING"]])
.then(result => resolve("Add coin fund in process"))
.catch(error => reject(error))
}).catch(error => reject(error))
})
}
function withdrawCurrencyFund(floID, coin, amount) {
return new Promise((resolve, reject) => {
if (floID !== floGlobals.adminID)
return reject(INVALID(eCode.ACCESS_DENIED, 'Access Denied'));
else if (!allowedConversion.includes(coin))
return reject(INVALID(eCode.INVALID_TOKEN_NAME, `Invalid coin (${coin})`));
DB.query("SELECT SUM(amount) AS deposit_amount FROM ConvertFund WHERE mode=? AND status=?", [_sql.CONVERT_MODE_GET, "SUCCESS"]).then(r1 => {
DB.query("SELECT SUM(amount) AS withdraw_amount FROM ConvertFund WHERE mode=? AND status IN (?)", [_sql.CONVERT_MODE_PUT, ["SUCCESS", "PENDING", "WAITING_CONFIRMATION"]]).then(r2 => {
let available_amount = (r1[0].deposit_amount || 0) - (r2[0].withdraw_amount || 0);
if (available_amount < amount)
return reject(INVALID(eCode.INSUFFICIENT_BALANCE, "Insufficient convert-fund deposits to withdraw"));
DB.query("INSERT INTO ConvertFund(mode, coin, amount, status) VALUES (?)", [[_sql.CONVERT_MODE_PUT, coin, amount, "PENDING"]])
.then(result => resolve("Add currency fund in process"))
.catch(error => reject(error))
}).catch(error => reject(error))
}).catch(error => reject(error))
})
}
function withdrawCoinFund(floID, coin, quantity) {
return new Promise((resolve, reject) => {
if (floID !== floGlobals.adminID)
return reject(INVALID(eCode.ACCESS_DENIED, 'Access Denied'));
else if (!allowedConversion.includes(coin))
return reject(INVALID(eCode.INVALID_TOKEN_NAME, `Invalid coin (${coin})`));
DB.query("SELECT SUM(quantity) AS deposit_quantity FROM ConvertFund WHERE mode=? AND status=?", [_sql.CONVERT_MODE_PUT, "SUCCESS"]).then(r1 => {
DB.query("SELECT SUM(quantity) AS withdraw_quantity FROM ConvertFund WHERE mode=? AND status IN (?)", [_sql.CONVERT_MODE_GET, ["SUCCESS", "PENDING"]]).then(r2 => {
let available_quantity = (r1[0].deposit_quantity || 0) - (r2[0].withdraw_quantity || 0);
if (available_quantity < quantity)
return reject(INVALID(eCode.INSUFFICIENT_BALANCE, "Insufficient convert-fund deposits to withdraw"));
DB.query("INSERT INTO ConvertFund(mode, coin, quantity, status) VALUES (?)", [[_sql.CONVERT_MODE_GET, coin, quantity, "PENDING"]])
.then(result => resolve("Add currency fund in process"))
.catch(error => reject(error))
}).catch(error => reject(error))
}).catch(error => reject(error))
})
}
module.exports = {
getRate: {
BTC_USD,
@ -170,9 +212,13 @@ module.exports = {
},
convertToCoin,
convertFromCoin,
addFund: {
coin: addCoinFund,
currency: addCurrencyFund
depositFund: {
coin: depositCoinFund,
currency: depositCurrencyFund
},
withdrawFund: {
coin: withdrawCoinFund,
currency: withdrawCurrencyFund
},
set DB(db) {
DB = db;