Sergei Poljanski
33ba7650c3
Crypto options were limited to a hard-coded asset list, with one address per coin in a side table. A payout address now carries everything an invoice needs: ticker, name, QR URI scheme, amount parameter, CoinGecko id, address and an active flag. Any coin can be added, several addresses per ticker are fine, and known tickers fill the QR and rate fields from the built-in templates. The new-invoice form picks a payout address. The invoice snapshots the ticker, address, name, scheme and amount parameter, and the PDF and QR render from that copy, so editing, retiring or deleting a payout entry never changes an issued invoice. "Fetch live" looks up the rate by the payout address's CoinGecko id. Migration 012 keeps the existing rows and backfills both the payout metadata and the snapshots on existing crypto invoices. Assisted-by: Claude:opus-5
76 lines
3.8 KiB
Ruby
76 lines
3.8 KiB
Ruby
require 'json'
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# Built-in crypto templates. Payout addresses (payout_addresses table) carry
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# their own ticker, name, QR scheme, amount parameter and CoinGecko id; these
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# entries only prefill those fields for a known ticker, back-fill rows from
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# before that, and name legacy invoices. Nothing here limits which coins can
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# be used.
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#
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# QR encoding is driven by scheme/amount_param:
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# scheme + amount_param => scheme:<addr>?<param>=<amt> (wallet prefills amount)
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# scheme only => scheme:<addr> (amount shown as text)
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# neither => bare address (tokens/chains with no
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# standard payment URI)
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# coingecko is the id for the simple/price endpoint; chain variants of a
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# stablecoin share the token's id.
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module CryptoAsset
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DEFAULTS = {
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'BTC' => { name: 'Bitcoin', coingecko: 'bitcoin', scheme: 'bitcoin', amount_param: 'amount' },
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'LTC' => { name: 'Litecoin', coingecko: 'litecoin', scheme: 'litecoin', amount_param: 'amount' },
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'ETH' => { name: 'Ethereum', coingecko: 'ethereum', scheme: 'ethereum', amount_param: nil },
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'XMR' => { name: 'Monero', coingecko: 'monero', scheme: 'monero', amount_param: 'tx_amount' },
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'SOL' => { name: 'Solana', coingecko: 'solana', scheme: 'solana', amount_param: 'amount' },
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'ALGO' => { name: 'Algorand', coingecko: 'algorand', scheme: nil, amount_param: nil },
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'USDT-ERC20' => { name: 'Tether (Ethereum)', coingecko: 'tether', scheme: nil, amount_param: nil },
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'USDT-TRC20' => { name: 'Tether (Tron)', coingecko: 'tether', scheme: nil, amount_param: nil },
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'USDT-BEP20' => { name: 'Tether (BNB Chain)', coingecko: 'tether', scheme: nil, amount_param: nil },
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'USDT-SOL' => { name: 'Tether (Solana)', coingecko: 'tether', scheme: nil, amount_param: nil },
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'USDC-ERC20' => { name: 'USD Coin (Ethereum)', coingecko: 'usd-coin', scheme: nil, amount_param: nil },
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'USDC-BEP20' => { name: 'USD Coin (BNB Chain)', coingecko: 'usd-coin', scheme: nil, amount_param: nil },
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'USDC-SOL' => { name: 'USD Coin (Solana)', coingecko: 'usd-coin', scheme: nil, amount_param: nil },
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'USDC-ALGO' => { name: 'USD Coin (Algorand)', coingecko: 'usd-coin', scheme: nil, amount_param: nil }
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}.freeze
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ASSETS = DEFAULTS # older name
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CODES = DEFAULTS.keys.freeze
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TICKER_RE = /\A[A-Z0-9][A-Z0-9-]{1,19}\z/
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SCHEME_RE = /\A[a-z][a-z0-9+.-]{1,31}\z/
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AMOUNT_PARAMS = %w[amount tx_amount].freeze
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# Suggestions for the admin form; wallets only honour real URI schemes.
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KNOWN_SCHEMES = (DEFAULTS.values.filter_map { |a| a[:scheme] } +
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%w[dogecoin bitcoincash dash zcash tron ton]).uniq.freeze
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module_function
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def [](code)
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ASSETS[code.to_s.upcase]
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end
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def valid?(code)
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ASSETS.key?(code.to_s.upcase)
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end
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def name(code)
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asset = self[code]
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asset ? asset[:name] : code.to_s
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end
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# Default payout addresses for the new-invoice form. CRYPTO_ADDRESSES is a
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# Legacy source, now only used to seed the payout_addresses table once
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# (PayoutAddress.seed_from_env!): CRYPTO_ADDRESSES is a JSON object
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# (code => address); LTC_ADDRESS still fills LTC. Unknown codes are
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# dropped so a typo in the env can't invent an asset.
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def env_addresses
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map = begin
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JSON.parse(ENV['CRYPTO_ADDRESSES'].to_s)
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rescue JSON::ParserError
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{}
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end
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map = {} unless map.is_a?(Hash)
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map = map.transform_keys { |k| k.to_s.upcase }
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ltc = ENV['LTC_ADDRESS'].to_s
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map['LTC'] = ltc unless ltc.empty? || map.key?('LTC')
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map.slice(*CODES)
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end
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end
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