unable to create a streams with valid hexadecimal string

Question

Please check below streams creation with valid hexadecimal strings

1) chain3: publish test test1 a65bc
{"method":"publish","params":["test","test1","a65bc"],"id":1,"chain_name":"chain3"}

error code: -8
error message:
Item data should be hexadecimal string

2)chain3: publish test test1 a56bc
{"method":"publish","params":["test","test1","a56bc"],"id":1,"chain_name":"chain3"}

error code: -8
error message:
Item data should be hexadecimal string

But sometimes its considering and generating stream txid

3) chain3: publish test test1 a65bc1
{"method":"publish","params":["test","test1","a65bc1"],"id":1,"chain_name":"chain3"}

2c1463986b94bb63c4632160a7434513c3470256fdf767fd6b9898819df0935e

Answer 1

To be a valid piece of data in hexadecimal form, it needs an even number of hex characters. This is because each pair of hex characters is converted into one byte of raw data.