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invoices: self-contained payout addresses

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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
This commit is contained in:
Sergei Poljanski 2026-10-10 09:17:09 +04:00
commit 33ba7650c3
Signed by: asxpi
GPG key ID: 4F8851660FA4121B
19 changed files with 420 additions and 176 deletions
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11
lib/invoice_pdf.rb
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@ -289,20 +289,21 @@ class InvoicePdf
def draw_crypto(pdf)
coin = @invoice.crypto_coin
asset = CryptoAsset[coin] || {}
name = @invoice.crypto_name || CryptoAsset.name(coin) # snapshot; legacy fallback
amount = @invoice.crypto_amount_due
qr_size = 78
pdf.move_down 12
pdf.fill_color COLOR_MUTED
pdf.font_size(8) { pdf.text "PAY IN #{CryptoAsset.name(coin).upcase} (#{coin})", character_spacing: 1.5 }
pdf.font_size(8) { pdf.text "PAY IN #{name.upcase} (#{coin})", character_spacing: 1.5 }
pdf.fill_color COLOR_TEXT
pdf.move_down 4
# Fixed-height row: QR on the right (drawn with float so it doesn't advance
# the cursor), text column on the left. The outer bounding_box of height
# qr_size leaves the cursor exactly below the row when it ends.
qr_bytes = CryptoQr.png(coin, @invoice.crypto_address, amount)
qr_bytes = CryptoQr.png(scheme: @invoice.crypto_scheme, amount_param: @invoice.crypto_amount_param,
address: @invoice.crypto_address, amount: amount)
pdf.bounding_box([0, pdf.cursor], width: pdf.bounds.width, height: qr_size) do
pdf.float do
pdf.bounding_box([pdf.bounds.right - qr_size, pdf.bounds.top], width: qr_size, height: qr_size) do
@ -325,8 +326,8 @@ class InvoicePdf
pdf.font_size(8) { pdf.text @invoice.crypto_address }
pdf.move_down 3
pdf.fill_color COLOR_MUTED
hint = if asset[:amount_param]
"Scan the QR with any #{CryptoAsset.name(coin)} wallet to prefill the payment."
hint = if @invoice.crypto_scheme && @invoice.crypto_amount_param
"Scan the QR with any #{name} wallet to prefill the payment."
else
"QR encodes the address. Send #{coin} only. Verify the network before sending."
end