Adds a new package and command-line tool for Transfer Verification. This is a process of validating message publications from the core contracts. When a message is emitted, Transfer Verification will examine the corresponding receipt or other logs to ensure that funds were sent into the token bridge whenever this kind of message is emitted from the core bridge.
This is a defense-in-depth mechanism to guard against a scenario where an attacker finds a way to spoof message publications.
* CCQ: Query Server
* More rework
* Clean up p2p code
* Health check change
* node: support http PUT or POST for new ccq queries
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Co-authored-by: Jeff Schroeder <jeffschroeder@computer.org>
Ensure there's no core vs. token bridge ambiguity.
Breaking changes to the CLI:
* "guardiand bridge" CLI is now "guardiand node"
* --solanaBridgeAddress is now --solanaContract
* --bridgeKey is now --guardianKey
The Heartbeat proto message had one of its fields renamed from
BridgeAddress to ContractAddress, but this won't break the wire
format and the only consumer appears to be the CLI.
Change includes a "go mod tidy" - it insisted.
Change-Id: Id8b312827737f07f2d5f3944ebce469d946e7f51