Merge pull request #3757 from anoma/brent/better-custom-tx-error #760

Job	Run time
changelog	0s
check-packages	4m 55s
build-wasm (wasm, build-wasm-scripts, wasm/tx_.wasm wasm/vp_.wasm wasm/checksums.json )	3m 59s
lints	5m 20s
build-wasm (wasm-for-tests, build-wasm-tests-scripts, wasm_for_tests/*.wasm)	3m 5s
rust-docs	5m 45s
build-binaries	8m 51s
test-unit	10m 8s
test-integration	14m 44s
check-benchmarks	9m 27s
test-wasm	6m 53s
test-e2e (0)	21m 27s
test-e2e (1)	16m 53s
test-e2e (2)	22m 9s
test-e2e (3)	16m 49s
test-e2e (4)	16m 44s
upload-coverage	14s
	2h 47m 23s

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