Function encodeExpr

encodeExpr(value: string): string
convert a fragment of Michelson code in hex string to an 'expr' prefix + base58 encoded BLAKE2b hash string
Parameters
- value: string
  a fragment of Michelson code in hex string
Returns string
return 'expr' prefix + base58 encoded BLAKE2b hash
Example
```
encodeExpr('050a000000160000b2e19a9e74440d86c59f13dab8a18ff873e889ea') // return 'exprv6UsC1sN3Fk2XfgcJCL8NCerP5rCGy1PRESZAqr7L2JdzX55EN'
```
- Defined in packages/taquito-utils/src/encoding.ts:452