NormalizedECDSASigner constructor
      
      NormalizedECDSASigner(
    
- ECDSASigner signer, {
- bool enforceNormalized = false,
Wraps ECDSASigner and enforces normalisation on verify if
enforceNormalized is true.
Always generates normalized signatures.
Implementation
NormalizedECDSASigner(this.signer, {this.enforceNormalized = false});