feat!: verifiably locate signing offers against signer address #74
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Related issue: #68
EvmSigningOffer
s are now wrapped in aSignedEvmSigningOffer
such that users can locate such offers with confidence that they originate from the evm signer that the user seeks.This is achieved by including the evm signer's address and signature over the offer, and verifying the signature at validation time. The offer is then linked against the evm signer's address (which is enforced to match what has already been validated).