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be598aecf0
* feat(providers): add Kraken exchange sync Adds family-scoped Kraken API-key connections, read-only balance and trade import, account setup/linking flows, provider status wiring, and focused test coverage. Closes #1758 * test(providers): avoid Kraken sample secret false positive * fix(providers): address Kraken review findings * fix(providers): address Kraken review cleanup * test(imports): stabilize transaction import ordering
68 lines
1.7 KiB
Ruby
68 lines
1.7 KiB
Ruby
# frozen_string_literal: true
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class KrakenAccount::AssetNormalizer
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SUFFIX_PATTERN = /(\.[A-Z])\z/
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FIAT_PREFIXES = {
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"ZUSD" => "USD",
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"ZEUR" => "EUR",
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"ZGBP" => "GBP",
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"ZCAD" => "CAD",
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"ZAUD" => "AUD",
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"ZCHF" => "CHF",
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"ZJPY" => "JPY"
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}.freeze
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SYMBOL_FALLBACKS = {
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"XBT" => "BTC",
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"XXBT" => "BTC",
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"XETH" => "ETH",
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"ZUSD" => "USD"
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}.freeze
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def initialize(asset_metadata = {})
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@asset_metadata = asset_metadata || {}
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end
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def normalize(raw_asset)
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raw = raw_asset.to_s.upcase
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suffix = raw[SUFFIX_PATTERN, 1]
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raw_base = suffix ? raw.delete_suffix(suffix) : raw
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metadata = metadata_for(raw, raw_base)
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base_symbol = metadata_symbol(metadata, raw_base)
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normalized_base = normalize_base_symbol(base_symbol)
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symbol = suffix.present? ? "#{normalized_base}#{suffix}" : normalized_base
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{
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raw_asset: raw,
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raw_base: raw_base,
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symbol: symbol,
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price_symbol: normalized_base,
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suffix: suffix,
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metadata: metadata
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}
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end
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private
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attr_reader :asset_metadata
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def metadata_for(raw, raw_base)
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asset_metadata[raw] || asset_metadata[raw_base] || asset_metadata.values.find do |metadata|
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candidate = metadata_symbol(metadata, raw_base)
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[ raw, raw_base ].include?(candidate.to_s.upcase)
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end
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end
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def metadata_symbol(metadata, fallback)
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return fallback unless metadata.is_a?(Hash)
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metadata["altname"].presence || metadata["display_name"].presence || fallback
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end
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def normalize_base_symbol(symbol)
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value = symbol.to_s.upcase
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value = FIAT_PREFIXES[value] if FIAT_PREFIXES.key?(value)
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SYMBOL_FALLBACKS[value] || value
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end
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end
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