gradido/federation/src/graphql/api/1_0/resolver/SendCoinsResolver.ts
2025-07-28 23:38:25 +02:00

373 lines
15 KiB
TypeScript

import { fullName } from '@/graphql/util/fullName'
import { LogError } from '@/server/LogError'
import {
Community as DbCommunity,
PendingTransaction as DbPendingTransaction,
PendingTransactionLoggingView,
findUserByIdentifier
} from 'database'
import Decimal from 'decimal.js-light'
import { getLogger } from 'log4js'
import { Arg, Mutation, Resolver } from 'type-graphql'
import { LOG4JS_BASE_CATEGORY_NAME } from '@/config/const'
import { encryptAndSign, PendingTransactionState, verifyAndDecrypt } from 'shared'
import { TransactionTypeId } from '../enum/TransactionTypeId'
import { SendCoinsArgsLoggingView } from '../logger/SendCoinsArgsLogging.view'
import { SendCoinsArgs } from '../model/SendCoinsArgs'
import { SendCoinsResponseJwtPayloadType } from 'shared'
import { calculateRecipientBalance } from '../util/calculateRecipientBalance'
// import { checkTradingLevel } from '@/graphql/util/checkTradingLevel'
import { revertSettledReceiveTransaction } from '../util/revertSettledReceiveTransaction'
import { settlePendingReceiveTransaction } from '../util/settlePendingReceiveTransaction'
import { storeForeignUser } from '../util/storeForeignUser'
import { countOpenPendingTransactions } from 'database'
import { EncryptedTransferArgs } from 'core'
import { interpretEncryptedTransferArgs } from 'core'
import { SendCoinsJwtPayloadType } from 'shared'
const createLogger = (method: string) => getLogger(`${LOG4JS_BASE_CATEGORY_NAME}.graphql.api.1_0.resolver.SendCoinsResolver.${method}`)
@Resolver()
export class SendCoinsResolver {
@Mutation(() => String)
async voteForSendCoins(
@Arg('data')
args: EncryptedTransferArgs,
): Promise<string> {
const methodLogger = createLogger(`voteForSendCoins`)
methodLogger.addContext('handshakeID', args.handshakeID)
if(methodLogger.isDebugEnabled()) {
methodLogger.debug(`voteForSendCoins() via apiVersion=1_0 ...`, args)
}
const authArgs = await interpretEncryptedTransferArgs(args) as SendCoinsJwtPayloadType
if (!authArgs) {
const errmsg = `invalid authentication payload of requesting community with publicKey` + args.publicKey
methodLogger.error(errmsg)
throw new Error(errmsg)
}
if(methodLogger.isDebugEnabled()) {
methodLogger.debug(`voteForSendCoins() via apiVersion=1_0 ...`, authArgs)
}
// first check if receiver community is correct
const recipientCom = await DbCommunity.findOneBy({
communityUuid: authArgs.recipientCommunityUuid,
})
if (!recipientCom) {
const errmsg = `voteForSendCoins with wrong recipientCommunityUuid` + authArgs.recipientCommunityUuid
methodLogger.error(errmsg)
throw new Error(errmsg)
}
const senderCom = await DbCommunity.findOneBy({
communityUuid: authArgs.senderCommunityUuid,
})
if (!senderCom) {
const errmsg = `voteForSendCoins with wrong senderCommunityUuid` + authArgs.senderCommunityUuid
methodLogger.error(errmsg)
throw new Error(errmsg)
}
let receiverUser
// second check if receiver user exists in this community
receiverUser = await findUserByIdentifier(
authArgs.recipientUserIdentifier,
authArgs.recipientCommunityUuid,
)
if (!receiverUser) {
const errmsg = `voteForSendCoins with unknown recipientUserIdentifier in the community=` + recipientCom.name
methodLogger.error(errmsg)
throw new Error(errmsg)
}
if (await countOpenPendingTransactions([authArgs.senderUserUuid, receiverUser.gradidoID]) > 0) {
const errmsg = `There exist still ongoing 'Pending-Transactions' for the involved users on receiver-side!`
methodLogger.error(errmsg)
throw new Error(errmsg)
}
try {
const txDate = new Date(authArgs.creationDate)
const receiveBalance = await calculateRecipientBalance(receiverUser.id, authArgs.amount, txDate)
const pendingTx = DbPendingTransaction.create()
pendingTx.amount = authArgs.amount
pendingTx.balance = receiveBalance ? receiveBalance.balance : authArgs.amount
pendingTx.balanceDate = txDate
pendingTx.decay = receiveBalance ? receiveBalance.decay.decay : new Decimal(0)
pendingTx.decayStart = receiveBalance ? receiveBalance.decay.start : null
pendingTx.creationDate = new Date()
pendingTx.linkedUserCommunityUuid = authArgs.senderCommunityUuid
pendingTx.linkedUserGradidoID = authArgs.senderUserUuid
pendingTx.linkedUserName = authArgs.senderUserName
pendingTx.memo = authArgs.memo
pendingTx.previous = receiveBalance ? receiveBalance.lastTransactionId : null
pendingTx.state = PendingTransactionState.NEW
pendingTx.typeId = TransactionTypeId.RECEIVE
pendingTx.userId = receiverUser.id
pendingTx.userCommunityUuid = authArgs.recipientCommunityUuid
pendingTx.userGradidoID = receiverUser.gradidoID
pendingTx.userName = fullName(receiverUser.firstName, receiverUser.lastName)
await DbPendingTransaction.insert(pendingTx)
const responseArgs = new SendCoinsResponseJwtPayloadType(
authArgs.handshakeID,
true,
receiverUser.gradidoID,
receiverUser.firstName,
receiverUser.lastName,
receiverUser.alias,
)
const responseJwt = await encryptAndSign(responseArgs, recipientCom.privateJwtKey!, senderCom.publicJwtKey!)
methodLogger.debug(`voteForSendCoins()-1_0... successfull`)
return responseJwt
} catch (err) {
const errmsg = `Error in voteForSendCoins: ` + err
methodLogger.error(errmsg)
throw new Error(errmsg)
}
}
@Mutation(() => Boolean)
async revertSendCoins(
@Arg('data')
args: EncryptedTransferArgs,
): Promise<boolean> {
const methodLogger = createLogger(`revertSendCoins`)
methodLogger.addContext('handshakeID', args.handshakeID)
if(methodLogger.isDebugEnabled()) {
methodLogger.debug(`revertSendCoins() via apiVersion=1_0 ...`)
}
const authArgs = await interpretEncryptedTransferArgs(args) as SendCoinsJwtPayloadType
if (!authArgs) {
const errmsg = `invalid revertSendCoins payload of requesting community with publicKey` + args.publicKey
methodLogger.error(errmsg)
throw new Error(errmsg)
}
if(methodLogger.isDebugEnabled()) {
methodLogger.debug(`revertSendCoins() via apiVersion=1_0 ...`, authArgs)
}
// first check if receiver community is correct
const homeCom = await DbCommunity.findOneBy({
communityUuid: authArgs.recipientCommunityUuid,
})
if (!homeCom) {
const errmsg = `revertSendCoins with wrong recipientCommunityUuid` + authArgs.recipientCommunityUuid
methodLogger.error(errmsg)
throw new Error(errmsg)
}
let receiverUser
// second check if receiver user exists in this community
receiverUser = await findUserByIdentifier(authArgs.recipientUserIdentifier)
if (!receiverUser) {
const errmsg = `revertSendCoins with unknown recipientUserIdentifier in the community=` + homeCom.name
methodLogger.error(errmsg)
throw new Error(errmsg)
}
try {
const pendingTx = await DbPendingTransaction.findOneBy({
userCommunityUuid: authArgs.recipientCommunityUuid,
userGradidoID: receiverUser.gradidoID,
state: PendingTransactionState.NEW,
typeId: TransactionTypeId.RECEIVE,
balanceDate: new Date(authArgs.creationDate),
linkedUserCommunityUuid: authArgs.senderCommunityUuid,
linkedUserGradidoID: authArgs.senderUserUuid,
})
if(methodLogger.isDebugEnabled()) {
methodLogger.debug(
'XCom: revertSendCoins found pendingTX=',
pendingTx ? new PendingTransactionLoggingView(pendingTx) : 'null',
)
}
if (pendingTx && pendingTx.amount.toString() === authArgs.amount.toString()) {
methodLogger.debug('XCom: revertSendCoins matching pendingTX for remove...')
try {
await pendingTx.remove()
methodLogger.debug('XCom: revertSendCoins pendingTX for remove successfully')
} catch (err) {
const errmsg = `Error in revertSendCoins on removing pendingTx of receiver: ` + err
methodLogger.error(errmsg)
throw new Error(errmsg)
}
} else {
methodLogger.debug(
'XCom: revertSendCoins NOT matching pendingTX for remove:',
pendingTx?.amount.toString(),
authArgs.amount.toString(),
)
const errmsg = `Can't find in revertSendCoins the pending receiver TX for ` + {
args: new SendCoinsArgsLoggingView(authArgs),
pendingTransactionState: PendingTransactionState.NEW,
transactionType: TransactionTypeId.RECEIVE,
}
methodLogger.error(errmsg)
throw new Error(errmsg)
}
methodLogger.debug(`revertSendCoins()-1_0... successfull`)
return true
} catch (err) {
const errmsg = `Error in revertSendCoins: ` + err
methodLogger.error(errmsg)
throw new Error(errmsg)
}
}
@Mutation(() => Boolean)
async settleSendCoins(
@Arg('data')
args: EncryptedTransferArgs,
): Promise<boolean> {
const methodLogger = createLogger(`settleSendCoins`)
methodLogger.addContext('handshakeID', args.handshakeID)
if(methodLogger.isDebugEnabled()) {
methodLogger.debug(`settleSendCoins() via apiVersion=1_0 ...`, args)
}
const authArgs = await interpretEncryptedTransferArgs(args) as SendCoinsJwtPayloadType
if (!authArgs) {
const errmsg = `invalid settleSendCoins payload of requesting community with publicKey` + args.publicKey
methodLogger.error(errmsg)
throw new Error(errmsg)
}
if(methodLogger.isDebugEnabled()) {
methodLogger.debug(`settleSendCoins() via apiVersion=1_0 ...`, authArgs)
}
// first check if receiver community is correct
const homeCom = await DbCommunity.findOneBy({
communityUuid: authArgs.recipientCommunityUuid,
})
if (!homeCom) {
const errmsg = `settleSendCoins with wrong recipientCommunityUuid` + authArgs.recipientCommunityUuid
methodLogger.error(errmsg)
throw new Error(errmsg)
}
// second check if receiver user exists in this community
const receiverUser = await findUserByIdentifier(authArgs.recipientUserIdentifier)
if (!receiverUser) {
const errmsg = `settleSendCoins with unknown recipientUserIdentifier in the community=` + homeCom.name
methodLogger.error(errmsg)
throw new Error(errmsg)
}
const pendingTx = await DbPendingTransaction.findOneBy({
userCommunityUuid: authArgs.recipientCommunityUuid,
userGradidoID: receiverUser.gradidoID,
state: PendingTransactionState.NEW,
typeId: TransactionTypeId.RECEIVE,
balanceDate: new Date(authArgs.creationDate),
linkedUserCommunityUuid: authArgs.senderCommunityUuid,
linkedUserGradidoID: authArgs.senderUserUuid,
})
if(methodLogger.isDebugEnabled()) {
methodLogger.debug(
'XCom: settleSendCoins found pendingTX=',
pendingTx ? new PendingTransactionLoggingView(pendingTx) : 'null',
)
}
if (
pendingTx &&
pendingTx.amount.toString() === authArgs.amount.toString() &&
pendingTx.memo === authArgs.memo
) {
methodLogger.debug('XCom: settleSendCoins matching pendingTX for settlement...')
await settlePendingReceiveTransaction(homeCom, receiverUser, pendingTx)
// after successful x-com-tx store the recipient as foreign user
methodLogger.debug('store recipient as foreign user...')
if (await storeForeignUser(authArgs)) {
methodLogger.info(
'X-Com: new foreign user inserted successfully...',
authArgs.senderCommunityUuid,
authArgs.senderUserUuid,
)
}
methodLogger.debug(`XCom: settlePendingReceiveTransaction()-1_0... successful`)
return true
} else {
methodLogger.debug('XCom: settlePendingReceiveTransaction NOT matching pendingTX for settlement...')
const errmsg = `Can't find in settlePendingReceiveTransaction the pending receiver TX for ` + {
args: new SendCoinsArgsLoggingView(authArgs),
pendingTransactionState: PendingTransactionState.NEW,
transactionTypeId: TransactionTypeId.RECEIVE,
}
methodLogger.error(errmsg)
throw new Error(errmsg)
}
}
@Mutation(() => Boolean)
async revertSettledSendCoins(
@Arg('data')
args: EncryptedTransferArgs,
): Promise<boolean> {
const methodLogger = createLogger(`revertSettledSendCoins`)
methodLogger.addContext('handshakeID', args.handshakeID)
if(methodLogger.isDebugEnabled()) {
methodLogger.debug(`revertSettledSendCoins() via apiVersion=1_0 ...`)
}
const authArgs = await interpretEncryptedTransferArgs(args) as SendCoinsJwtPayloadType
if (!authArgs) {
const errmsg = `invalid revertSettledSendCoins payload of requesting community with publicKey` + args.publicKey
methodLogger.error(errmsg)
throw new Error(errmsg)
}
if(methodLogger.isDebugEnabled()) {
methodLogger.debug(`revertSettledSendCoins() via apiVersion=1_0 ...`, authArgs)
}
// first check if receiver community is correct
const homeCom = await DbCommunity.findOneBy({
communityUuid: authArgs.recipientCommunityUuid,
})
if (!homeCom) {
const errmsg = `revertSettledSendCoins with wrong recipientCommunityUuid` + authArgs.recipientCommunityUuid
methodLogger.error(errmsg)
throw new Error(errmsg)
}
// second check if receiver user exists in this community
const receiverUser = await findUserByIdentifier(authArgs.recipientUserIdentifier)
if (!receiverUser) {
const errmsg = `revertSettledSendCoins with unknown recipientUserIdentifier in the community=` + homeCom.name
methodLogger.error(errmsg)
throw new Error(errmsg)
}
const pendingTx = await DbPendingTransaction.findOneBy({
userCommunityUuid: authArgs.recipientCommunityUuid,
userGradidoID: authArgs.recipientUserIdentifier,
state: PendingTransactionState.SETTLED,
typeId: TransactionTypeId.RECEIVE,
balanceDate: new Date(authArgs.creationDate),
linkedUserCommunityUuid: authArgs.senderCommunityUuid,
linkedUserGradidoID: authArgs.senderUserUuid,
})
methodLogger.debug(
'XCom: revertSettledSendCoins found pendingTX=',
pendingTx ? new PendingTransactionLoggingView(pendingTx) : 'null',
)
if (
pendingTx &&
pendingTx.amount.toString() === authArgs.amount.toString() &&
pendingTx.memo === authArgs.memo
) {
methodLogger.debug('XCom: revertSettledSendCoins matching pendingTX for remove...')
try {
await revertSettledReceiveTransaction(homeCom, receiverUser, pendingTx)
methodLogger.debug('XCom: revertSettledSendCoins pendingTX successfully')
} catch (err) {
const errmsg = `Error in revertSettledSendCoins of receiver: ` + err
methodLogger.error(errmsg)
throw new Error(errmsg)
}
} else {
methodLogger.debug('XCom: revertSettledSendCoins NOT matching pendingTX...')
const errmsg = `Can't find in revertSettledSendCoins the pending receiver TX for ` + {
args: new SendCoinsArgsLoggingView(authArgs),
pendingTransactionState: PendingTransactionState.SETTLED,
transactionTypeId: TransactionTypeId.RECEIVE,
}
methodLogger.error(errmsg)
throw new Error(errmsg)
}
methodLogger.debug(`revertSettledSendCoins()-1_0... successfull`)
return true
}
}