Allow set version for EIP721 domain separator

Author: abarmat

packages/common-ts/src/attestations/attestations.test.ts

@@ -27,6 +27,7 @@ describe('Attestations', () => {
       1,
       '0x0000000000000000000000000000000000000000',
       receipt,
+      '0',
     )
 
     expect(attestation).toStrictEqual({
@@ -78,8 +79,14 @@ describe('Attestations', () => {
       chainID,
       contractAddress,
       receipt,
+      '1.0.0',
+    )
+    const recoveredAddress = recoverAttestation(
+      chainID,
+      contractAddress,
+      attestation,
+      '1.0.0',
     )
-    const recoveredAddress = recoverAttestation(chainID, contractAddress, attestation)
     expect(recoveredAddress).toStrictEqual(await signer.getAddress())
   })
 })

packages/common-ts/src/attestations/attestations.ts

@@ -43,10 +43,11 @@ export interface Attestation {
 export const getDomainSeparator = (
   chainId: number,
   disputeManagerAddress: string,
+  version: string,
 ): string => {
   const domainSeparator = eip712.domainSeparator({
     name: 'Graph Protocol',
-    version: '0',
+    version,
     chainId,
     verifyingContract: disputeManagerAddress,
     salt: SALT,
@@ -59,8 +60,9 @@ export const createAttestation = async (
   chainId: number,
   disputeManagerAddress: string,
   receipt: Receipt,
+  version: string,
 ): Promise<Attestation> => {
-  const domainSeparator = getDomainSeparator(chainId, disputeManagerAddress)
+  const domainSeparator = getDomainSeparator(chainId, disputeManagerAddress, version)
   const encodedReceipt = encodeReceipt(receipt)
   const message = eip712.encode(domainSeparator, encodedReceipt)
   const messageHash = utils.keccak256(message)
@@ -116,8 +118,9 @@ export const recoverAttestation = (
   chainId: number,
   disputeManagerAddress: string,
   attestation: Attestation,
+  version: string,
 ): string => {
-  const domainSeparator = getDomainSeparator(chainId, disputeManagerAddress)
+  const domainSeparator = getDomainSeparator(chainId, disputeManagerAddress, version)
   const receipt = {
     requestCID: attestation.requestCID,
     responseCID: attestation.responseCID,