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toncontest/lightning/verify.fif
2019-10-15 16:17:12 +02:00

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#!/usr/bin/env -S fift -s
"TonUtil.fif" include
"lib.fif" include
{
."usage: " @' $0 type ." <input> <key1> <key1-id> [<key2> <key2-id> ...]" cr
."Verify multisig <input>.boc file with public key <keyN-id> loaded from file <keyN>.pubkey" cr 1 halt
} : usage
$# 3 < ' usage if
$# 3 - 2 mod ' usage if
$1 +".boc" load-boc constant order
order inspect cr
// multiSigWrapper$0 signatures:(HashmapE 4 Signature) message:(WrappedMessage X) = MultiSigWrapper X;
message-contents
1 u@+ nip // $0 was already verified
// multiSigWrapper$0 signatures:(HashmapE 4 Signature) message:(WrappedMessage X) = MultiSigWrapper X;
dict@ const signatures
variable-set key key!
variable-set key-id key-id!
2 { dup 1+ swap // Counter
$() +".pubkey" load-pubkey key!
dup 1+ swap // Increment counter
$() parse-int key-id!
."Checking signature of key ID " key-id . ."... "
key-id signatures 4 dict[] // Find signature
not abort"Could not find signature with specified key ID!"
64 B@
// udata BSig ukey ?
message-hash swap key
ed25519_chksignuu
not abort"Invalid signature!"
."OK!" cr
} $# 1- 2 /c times