ConfirmTx showed and checked the balance Send handed it, so a screen the popup reopened onto stated the balance as Send knew it, not as it is on the network the screen is drawn for.
Each time it is shown, ConfirmTx now reads the From address's ETH balance, and for a token send its token balance, from the node reviewedNetworkProvider() picks for the network the transaction was reviewed for, the node the fee estimate and recipient checks ask. The fee estimate starts once the read returns. Until then the balance line says "Loading..." and Sign & Send stays disabled; a failed read is stated as unknown. Each message the read can bring has a box reserved from the first paint, so nothing moves when it returns.
Model: opus-5-5
Send's Review accepted any amount parseFloat() read as above zero, so 1e-3, 1abc and amounts with too many decimal places reached ConfirmTx, which then refused them or failed to estimate the fee.
isValidAmount() in src/shared/txValidation.js is now the one amount check, used by Send's Review and Max and by validateTransfer() for ConfirmTx: plain digits with at most one decimal point, above zero, nothing but zeros past the token's places. Zeros past those places are accepted, since the transfer encodes the amount exactly. Send now reads the token's decimal places before the ENS lookup, because the check needs them.
Judgement call: ConfirmTx now also refuses zero, as Send already did.
Model: opus-5-5
sneak
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