message: Use assertSet consistently to check the hashes
diff: @@ -345,13 +345,13 @@ function decodeHeader(data: RpcHeader): responses.Header {
  // { hash: '', parts: { total: 0, hash: '' } }
  lastBlockId: data.last_block_id.hash ? decodeBlockId(data.last_block_id) : null,
  - lastCommitHash: fromHex(assertNotEmpty(data.last_commit_hash)),
  + lastCommitHash: fromHex(assertSet(data.last_commit_hash)),
  dataHash: fromHex(assertSet(data.data_hash)),
  - validatorsHash: fromHex(assertNotEmpty(data.validators_hash)),
  - nextValidatorsHash: fromHex(assertNotEmpty(data.next_validators_hash)),
  - consensusHash: fromHex(assertNotEmpty(data.consensus_hash)),
  - appHash: fromHex(data.app_hash),
  + validatorsHash: fromHex(assertSet(data.validators_hash)),
  + nextValidatorsHash: fromHex(assertSet(data.next_validators_hash)),
  + consensusHash: fromHex(assertSet(data.consensus_hash)),
  + appHash: fromHex(assertSet(data.app_hash)),
  lastResultsHash: fromHex(assertSet(data.last_results_hash)),
  evidenceHash: fromHex(assertSet(data.evidence_hash)),
  