account 2_3 RIDEV4.txt

{-# STDLIB_VERSION 4 #-}
{-# CONTENT_TYPE EXPRESSION #-}
{-# SCRIPT_TYPE ACCOUNT #-}


#define public keys
let alicePubKey  = base58'5AzfA9UfpWVYiwFwvdr77k6LWupSTGLb14b24oVdEpMM'
let bobPubKey    = base58'2KwU4vzdgPmKyf7q354H9kSyX9NZjNiq4qbnH2wi2VDF'
let cooperPubKey = base58'GbrUeGaBfmyFJjSQb9Z8uTCej5GzjXfRDVGJGrmgt5cD'

#check whoever provided the valid proof
let aliceSigned  = if(sigVerify(tx.bodyBytes, tx.proofs[0], alicePubKey  )) then 1 else 0
let bobSigned    = if(sigVerify(tx.bodyBytes, tx.proofs[1], bobPubKey    )) then 1 else 0
let cooperSigned = if(sigVerify(tx.bodyBytes, tx.proofs[2], cooperPubKey )) then 1 else 0

#sum up every valid proof to get at least 2
aliceSigned + bobSigned + cooperSigned >= 2