Fix Signer interface

ts_src/ecpair.ts

@@ -21,14 +21,14 @@ interface ECPairOptions {
 
 export interface Signer {
   publicKey: Buffer;
-  network?: Network;
+  network?: any;
   sign(hash: Buffer, lowR?: boolean): Buffer;
   getPublicKey?(): Buffer;
 }
 
 export interface SignerAsync {
   publicKey: Buffer;
-  network?: Network;
+  network?: any;
   sign(hash: Buffer, lowR?: boolean): Promise<Buffer>;
   getPublicKey?(): Buffer;
 }

types/ecpair.d.ts

@@ -7,13 +7,13 @@ interface ECPairOptions {
 }
 export interface Signer {
     publicKey: Buffer;
-    network?: Network;
+    network?: any;
     sign(hash: Buffer, lowR?: boolean): Buffer;
     getPublicKey?(): Buffer;
 }
 export interface SignerAsync {
     publicKey: Buffer;
-    network?: Network;
+    network?: any;
     sign(hash: Buffer, lowR?: boolean): Promise<Buffer>;
     getPublicKey?(): Buffer;
 }