feat: offline verified ddo deals #481

Job	Run time
ci-lint	13s
build-mainnet	5m 3s
build-calibnet	4m 28s
build-2k	4m 26s
build-debug	4m 43s
build-forest	4m 29s
gen-check	13m 46s
gofmt	15s
setup-params	3s
lint	3m 35s
mod-tidy-check	26s
test (test-itest-curio, ./itests/curio_test.go)	6m 50s
test (test-all, `go list ./... \| grep -v curio/itests`)	3m 3s
test (test-itest-harmonyDB, ./itests/harmonydb_test.go)	3m 24s
test (test-itest-alertnow, ./itests/alertnow_test.go)	1m 52s
	56m 36s

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