decode() rendered the Deadline line with toISOString(), which throws on a
date past 275760-09-13, the last a JavaScript date can hold. A later
deadline, such as the uint256 maximum, therefore left the whole swap
undecoded, with nothing saying why. That line now reads
"After 275760-09-13 00:00:00 (no deadline in practice)".
Model: opus-5-5
A V2 exact-in amountIn of zero is the router's ALREADY_PAID marker: an
earlier step sent the tokens to the pair and the swap spends all of them.
Amount showed 0.0000 for it; it now reads "Whatever an earlier step sent
to the pair (V2 already paid)", in the style of the V4 open delta line.
A BALANCE_CHECK_ERC20 passes whenever the balance is at least minBalance,
so a zero one guarantees nothing. It now sets the output side only when
that side holds no minimum at the point the check is reached; a nonzero
one sets the output side as before.
README's Display Consistency text and TODO.md are updated to match.
Model: opus-5-5
decode() had no arm for Universal Router command 0x09, so the approval
screen showed no token or amount for it. It now takes the path's first
token and amountInMax as the input side, the last token and amountOut as
the output side. With such a step, the Amount figure reads "Up to
<amount>" whichever step set it, on the approval, wait, success and error
screens, unless it reads "Unlimited", as an unbounded PERMIT2_PERMIT does,
or "All available (V4 open delta)". In every swap, UNWRAP_WETH makes
Token Out ETH only when the output side is WETH, on mainnet or Sepolia, or
no step set it; otherwise the output keeps its own token and figure.
decodeV2SwapExactOut() loses its eslint-disable comment.
Model: opus-5-5
Token and amount were gated on truthiness and gated independently. An address is never falsy once set but 0n is, so a hop supplying a zero amount fixed the token permanently while leaving the amount open, and the next hop's figure was rendered against the first hop's token at that token's scale -- 0.5 WETH shown as 500000000000.0000 USDT. Nine defective gates are now presence checks, and fourteen address gates were converted defensively so a sixth instance of this class cannot grow.
Zero is not one thing. Established from v4-periphery: OPEN_DELTA is 0 and V4Router substitutes the full credit unconditionally, so a zero V4 exact-in amount means "swap the whole balance" and now reads "All available (V4 open delta)" rather than 0.0000, which would assert the exact inverse. amountOutMinimum gets no such mapping and universal-router special-cases only CONTRACT_BALANCE, so a zero minimum and a zero V2/V3 amount stay literal -- a zero floor reads "None (no minimum guaranteed)".
closes#364
Adds a test that constructs a Uniswap V4 USDT→USDC swap using
SETTLE/SWAP_EXACT_IN_SINGLE/TAKE sub-actions inside a V4_SWAP command.
Without decodeV4Swap(), the output token would be unresolvable and the
swap name would not show 'USDT → USDC'. This test fails on the old code
and passes with the decodeV4Swap() fix.
Refs: #59
Replace stub error handlers with full approval flow for personal_sign,
eth_sign, eth_signTypedData_v4, and eth_signTypedData. Uses toolbar
popup only (no fallback window) and keeps sign approvals pending across
popup close/reopen cycles so the user can respond via the toolbar icon.
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