forked from urdt/ussd
131 lines
3.7 KiB
Go
131 lines
3.7 KiB
Go
package common
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import (
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"encoding/binary"
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"errors"
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"git.defalsify.org/vise.git/logging"
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)
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// DataType is a subprefix value used in association with vise/db.DATATYPE_USERDATA.
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//
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// All keys are used only within the context of a single account. Unless otherwise specified, the user context is the session id.
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//
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// * The first byte is vise/db.DATATYPE_USERDATA
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// * The last 2 bytes are the DataTyp value, big-endian.
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// * The intermediate bytes are the id of the user context.
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//
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// All values are strings
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type DataTyp uint16
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const (
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// API Tracking id to follow status of account creation
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DATA_TRACKING_ID = iota
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// EVM address returned from API on account creation
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DATA_PUBLIC_KEY
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// Currently active PIN used to authenticate ussd state change requests
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DATA_ACCOUNT_PIN
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// The first name of the user
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DATA_FIRST_NAME
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// The last name of the user
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DATA_FAMILY_NAME
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// The year-of-birth of the user
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DATA_YOB
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// The location of the user
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DATA_LOCATION
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// The gender of the user
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DATA_GENDER
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// The offerings description of the user
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DATA_OFFERINGS
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// The ethereum address of the recipient of an ongoing send request
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DATA_RECIPIENT
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// The voucher value amount of an ongoing send request
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DATA_AMOUNT
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// A general swap field for temporary values
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DATA_TEMPORARY_VALUE
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// Currently active voucher symbol of user
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DATA_ACTIVE_SYM
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// Voucher balance of user's currently active voucher
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DATA_ACTIVE_BAL
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// String boolean indicating whether use of PIN is blocked
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DATA_BLOCKED_NUMBER
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// Reverse mapping of a user's evm address to a session id.
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DATA_PUBLIC_KEY_REVERSE
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// Decimal count of the currently active voucher
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DATA_ACTIVE_DECIMAL
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// EVM address of the currently active voucher
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DATA_ACTIVE_ADDRESS
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)
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const (
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// List of valid voucher symbols in the user context.
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DATA_VOUCHER_SYMBOLS DataTyp = 256 + iota
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// List of voucher balances for vouchers valid in the user context.
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DATA_VOUCHER_BALANCES
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// List of voucher decimal counts for vouchers valid in the user context.
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DATA_VOUCHER_DECIMALS
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// List of voucher EVM addresses for vouchers valid in the user context.
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DATA_VOUCHER_ADDRESSES
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// List of senders for valid transactions in the user context.
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)
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const (
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DATA_TX_SENDERS = 512 + iota
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// List of recipients for valid transactions in the user context.
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DATA_TX_RECIPIENTS
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// List of voucher values for valid transactions in the user context.
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DATA_TX_VALUES
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// List of voucher EVM addresses for valid transactions in the user context.
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DATA_TX_ADDRESSES
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// List of valid transaction hashes in the user context.
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DATA_TX_HASHES
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// List of transaction dates for valid transactions in the user context.
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DATA_TX_DATES
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// List of voucher symbols for valid transactions in the user context.
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DATA_TX_SYMBOLS
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// List of voucher decimal counts for valid transactions in the user context.
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DATA_TX_DECIMALS
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)
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var (
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logg = logging.NewVanilla().WithDomain("urdt-common")
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)
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func typToBytes(typ DataTyp) []byte {
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var b [2]byte
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binary.BigEndian.PutUint16(b[:], uint16(typ))
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return b[:]
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}
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func PackKey(typ DataTyp, data []byte) []byte {
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v := typToBytes(typ)
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return append(v, data...)
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}
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func StringToDataTyp(str string) (DataTyp, error) {
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switch str {
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case "DATA_FIRST_NAME":
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return DATA_FIRST_NAME, nil
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case "DATA_FAMILY_NAME":
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return DATA_FAMILY_NAME, nil
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case "DATA_YOB":
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return DATA_YOB, nil
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case "DATA_LOCATION":
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return DATA_LOCATION, nil
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case "DATA_GENDER":
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return DATA_GENDER, nil
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case "DATA_OFFERINGS":
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return DATA_OFFERINGS, nil
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default:
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return 0, errors.New("invalid DataTyp string")
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}
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}
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// ToBytes converts DataTyp or int to a byte slice
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func ToBytes[T ~uint16 | int](value T) []byte {
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bytes := make([]byte, 2)
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binary.BigEndian.PutUint16(bytes, uint16(value))
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return bytes
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}
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