Update 0012_ibc_generic_messaging.md with permissionless channel creation information #4167
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The
wormhole-ibc-receiver
contract contains an allowlist of Wormhole chain ID to channel mappings (other side of Cosmos chain). The allowlist is not used when receiving a packet because we don't want to handle the case of a token transfer failure on the other side. Instead, we just emit the message and ignore it in the IBC watcher. I am just updating the documentation to reflect this.