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increased precision

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This commit is contained in:
Ulf Gebhardt 2022-02-25 18:47:06 +01:00
parent 0a6a578566
commit e6813ea408
Signed by: ulfgebhardt
GPG Key ID: DA6B843E748679C9
1 changed files with 19 additions and 19 deletions
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38
database/migrations/0027-decimal_types.ts
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@ -23,7 +23,7 @@ import Decimal from 'decimal.js-light'
// Set precision value
Decimal.set({
precision: 20,
precision: 25,
rounding: Decimal.ROUND_HALF_UP,
})
@ -44,10 +44,8 @@ export enum TransactionTypeId {
RECEIVE = 3,
}
function decayFormula(amount: Decimal, seconds: number): Decimal {
return amount.mul(
new Decimal('0.9999999780350404897320120231676707941346052083737611936473').pow(seconds),
)
function decayFormula(value: Decimal, seconds: number): Decimal {
return value.mul(new Decimal('0.99999997803504048973201202316767079413460520837376').pow(seconds))
}
function calculateDecay(
@ -103,15 +101,15 @@ export async function upgrade(queryFn: (query: string, values?: any[]) => Promis
)
// add column `dec_amount` with temporary NULL and DEFAULT NULL definition
await queryFn(
'ALTER TABLE `transactions` ADD COLUMN `dec_amount` DECIMAL(36,20) NULL DEFAULT NULL AFTER `type_id`;',
'ALTER TABLE `transactions` ADD COLUMN `dec_amount` DECIMAL(40,20) NULL DEFAULT NULL AFTER `type_id`;',
)
// add column `dec_balance` with temporary NULL and DEFAULT NULL definition
await queryFn(
'ALTER TABLE `transactions` ADD COLUMN `dec_balance` DECIMAL(36,20) NULL DEFAULT NULL AFTER `dec_amount`;',
'ALTER TABLE `transactions` ADD COLUMN `dec_balance` DECIMAL(40,20) NULL DEFAULT NULL AFTER `dec_amount`;',
)
// add new column `dec_decay` with temporary NULL and DEFAULT NULL definition
await queryFn(
'ALTER TABLE `transactions` ADD COLUMN `dec_decay` DECIMAL(36,20) NULL DEFAULT NULL AFTER `dec_balance`;',
'ALTER TABLE `transactions` ADD COLUMN `dec_decay` DECIMAL(40,20) NULL DEFAULT NULL AFTER `dec_balance`;',
)
// add new column `decay_start`
await queryFn(
@ -126,26 +124,26 @@ export async function upgrade(queryFn: (query: string, values?: any[]) => Promis
)
// modify date type of `creation_date` to datetime
await queryFn(
'ALTER TABLE `transactions` MODIFY COLUMN `creation_date` datetime NULL DEFAULT NULL AFTER `balance`;',
'ALTER TABLE `transactions` MODIFY COLUMN `creation_date` datetime DEFAULT NULL AFTER `balance`;',
)
// Temporary columns
// temporary decimal column `temp_dec_send_sender_final_balance`
await queryFn(
'ALTER TABLE `transactions` ADD COLUMN `temp_dec_send_sender_final_balance` DECIMAL(36,20) NULL DEFAULT NULL AFTER `linked_transaction_id`;',
'ALTER TABLE `transactions` ADD COLUMN `temp_dec_send_sender_final_balance` DECIMAL(40,20) NULL DEFAULT NULL AFTER `linked_transaction_id`;',
)
// temporary decimal column `temp_dec_diff_send_sender_final_balance`
await queryFn(
'ALTER TABLE `transactions` ADD COLUMN `temp_dec_diff_send_sender_final_balance` DECIMAL(36,20) NULL DEFAULT NULL AFTER `temp_dec_send_sender_final_balance`;',
'ALTER TABLE `transactions` ADD COLUMN `temp_dec_diff_send_sender_final_balance` DECIMAL(40,20) NULL DEFAULT NULL AFTER `temp_dec_send_sender_final_balance`;',
)
// temporary decimal column `temp_dec_old_balance`
await queryFn(
'ALTER TABLE `transactions` ADD COLUMN `temp_dec_old_balance` DECIMAL(36,20) NULL DEFAULT NULL AFTER `temp_dec_diff_send_sender_final_balance`;',
'ALTER TABLE `transactions` ADD COLUMN `temp_dec_old_balance` DECIMAL(40,20) NULL DEFAULT NULL AFTER `temp_dec_diff_send_sender_final_balance`;',
)
// temporary decimal column `temp_dec_diff_balance`
await queryFn(
'ALTER TABLE `transactions` ADD COLUMN `temp_dec_diff_balance` DECIMAL(36,20) NULL DEFAULT NULL AFTER `temp_dec_old_balance`;',
'ALTER TABLE `transactions` ADD COLUMN `temp_dec_diff_balance` DECIMAL(40,20) NULL DEFAULT NULL AFTER `temp_dec_old_balance`;',
)
// Find all users & loop over them
@ -168,10 +166,12 @@ export async function upgrade(queryFn: (query: string, values?: any[]) => Promis
const decayStartDate = previous ? previous.balance_date : transaction.balance_date
const decay = calculateDecay(balance, decayStartDate, transaction.balance_date)
const decayStart = decay.start
? new Date(decay.start.getTime() - new Date().getTimezoneOffset() * 60000)
? '"' +
new Date(decay.start.getTime() - 2 * new Date().getTimezoneOffset() * 60000)
.toISOString()
.slice(0, 19)
.replace('T', ' ')
.replace('T', ' ') +
'"'
: null
balance = decay.balance.add(decAmount)
const tempDecSendSenderFinalBalance = transaction.send_sender_final_balance
@ -190,7 +190,7 @@ export async function upgrade(queryFn: (query: string, values?: any[]) => Promis
dec_amount = ${decAmount.toString()},
dec_balance = ${balance.toString()},
dec_decay = ${decay.decay ? decay.decay.toString() : '0'},
decay_start = "${decayStart}",
decay_start = ${decayStart},
temp_dec_send_sender_final_balance = ${
tempDecSendSenderFinalBalance ? tempDecSendSenderFinalBalance.toString() : null
},
@ -208,9 +208,9 @@ export async function upgrade(queryFn: (query: string, values?: any[]) => Promis
}
// Remove null as value & default value from `dec_amount`, `dec_balance` and `dec_decay`
await queryFn('ALTER TABLE `transactions` MODIFY COLUMN `dec_amount` DECIMAL(36,20) NOT NULL;')
await queryFn('ALTER TABLE `transactions` MODIFY COLUMN `dec_balance` DECIMAL(36,20) NOT NULL;')
await queryFn('ALTER TABLE `transactions` MODIFY COLUMN `dec_decay` DECIMAL(36,20) NOT NULL;')
await queryFn('ALTER TABLE `transactions` MODIFY COLUMN `dec_amount` DECIMAL(40,20) NOT NULL;')
await queryFn('ALTER TABLE `transactions` MODIFY COLUMN `dec_balance` DECIMAL(40,20) NOT NULL;')
await queryFn('ALTER TABLE `transactions` MODIFY COLUMN `dec_decay` DECIMAL(40,20) NOT NULL;')
}
export async function downgrade(queryFn: (query: string, values?: any[]) => Promise<Array<any>>) {