refactor(snapshot-legacy-importer): clean up the importer and add unit tests

packages/bootstrap/source/bootstrapper.test.ts

@@ -546,7 +546,7 @@ describe<{
 
 		await assert.rejects(
 			() => bootstrapper.bootstrap(),
-			"Previous block is set to snapshot, but there is no snapshot defined in milestones",
+			"Snapshot is defined in milestones, but the genesis block has no parent hash",
 		);
 
 		// #setGenesisCommit

packages/bootstrap/source/bootstrapper.ts

@@ -153,7 +153,7 @@ export class Bootstrapper {
 		// assume snapshot is present if the previous block points to a non-zero hash
 		if (genesisBlock.block.parentHash === ZeroHash) {
 			if (milestone.snapshot) {
-				throw new Error("Previous block is set to snapshot, but there is no snapshot defined in milestones");
+				throw new Error("Snapshot is defined in milestones, but the genesis block has no parent hash");
 			}
 
 			return;

packages/contracts/source/contracts/snapshot.ts

@@ -13,8 +13,6 @@ export interface LegacyImporter {
 	snapshotHash: string;
 	genesisBlockNumber: bigint;
 	previousGenesisBlockHash: string;
-	totalSupply: bigint;
-	result: LegacyImportResult | undefined;
 }
 
 export interface LegacyImportOptions {
@@ -51,16 +49,12 @@ export interface ImportedLegacyMultiSignatureAttribute {
 }
 
 export interface ImportedLegacyVoter {
-	readonly arkAddress: string;
 	readonly ethAddress?: string;
-	readonly publicKey: string;
 	readonly vote: string;
 }
 
 export interface ImportedLegacyValidator {
-	readonly arkAddress: string;
 	readonly ethAddress: string;
-	readonly publicKey: string;
 	readonly isResigned: boolean;
 
 	username: string;

packages/snapshot-legacy-importer/package.json

@@ -30,7 +30,12 @@
 	},
 	"devDependencies": {
 		"@mainsail/contracts": "workspace:*",
+		"@mainsail/crypto-address-base58": "workspace:*",
+		"@mainsail/crypto-address-keccak256": "workspace:*",
+		"@mainsail/crypto-hash-bcrypto": "workspace:*",
+		"@mainsail/crypto-key-pair-ecdsa": "workspace:*",
 		"@mainsail/test-runner": "workspace:*",
+		"@mainsail/validation": "workspace:*",
 		"uvu": "0.5.6"
 	},
 	"engines": {