<secword_to_keypair> should check secword because secword_to_seed accepts even empty secword

ticc.js

@@ -444,8 +444,12 @@ class TicCrypto {
     //  据测试, Purpose和CoinType都可以任意其他值，不必要如规范所示；' 引号可有可无，导致的密钥不一样；
     //  Account 最大为 0x7FFFFFFF, Change/Index 最大均为 0xFFFFFFFF(=4294967295)
     //  但可以不断延伸下去：/xxx/xxx/xxx/xxx/...
-    coin = coin?.toUpperCase() || my.COIN
+    coin = coin?.toUpperCase?.() || my.COIN
 
+    if (!this.is_secword(secword)) {
+      // 由于 secword_to_seed 可以对一切字符串都正常返回，为防止secword为空，在这里先做检查。
+      return null
+    }
     if (tool === 'nacl') {
       // 采用自己的算法：bip39算法从secword到种子，hash后用 nacl.sign.keyPair.fromSeed()方法。
       hasher = my.HASHER_LIST.includes(hasher) ? hasher : my.HASHER
@@ -482,7 +486,6 @@ class TicCrypto {
         pubkey: key.publicKey.toString('hex'),
       }
     }
-    return null
   }
 
   /**
@@ -553,18 +556,18 @@ class TicCrypto {
    * @return {Object}
    * @memberof TicCrypto
    */
-  static secword_to_account ({ secword, coin = my.COIN, pass, pathRoot, pathIndex, path, tool, hasher } = {}) {
+  static secword_to_account ({ secword, coin = my.COIN, world, pass, pathRoot, pathIndex, path, tool, hasher } = {}) {
     // account 比 keypair 多了 address 字段。
-    coin = coin?.toUpperCase()
+    coin = coin?.toUpperCase?.() || my.COIN
     let kp = this.secword_to_keypair({ secword, coin, pass, pathRoot, pathIndex, path, tool, hasher })
     if (kp) {
       if (coin === 'ETH') {
         let uncompressedPubkey = this.decompress_pubkey(kp.pubkey)
-        kp.address = this.pubkey_to_address({ pubkey: uncompressedPubkey, coin: 'ETH' })
+        kp.address = this.pubkey_to_address({ pubkey: uncompressedPubkey, coin: 'ETH', world })
       } else {
-        kp.address = this.pubkey_to_address({ pubkey: kp.pubkey, coin })
+        kp.address = this.pubkey_to_address({ pubkey: kp.pubkey, coin, world })
       }
-      return Object.assign(kp, { coin, secword })
+      return Object.assign(kp, { coin, world, secword })
     }
     return null
   }
@@ -578,8 +581,8 @@ class TicCrypto {
    * @return {String} address
    * @memberof TicCrypto
    */
-  static secword_to_address ({ secword, coin, world, pass, pathRoot, pathIndex, path, tool, hasher } = {}) {
+  static secword_to_address ({ secword, coin = my.COIN, world, pass, pathRoot, pathIndex, path, tool, hasher } = {}) {
-    coin = coin?.toUpperCase() || my.COIN
+    coin = coin?.toUpperCase?.() || my.COIN
     let kp = this.secword_to_keypair({ secword, coin, pass, pathRoot, pathIndex, path, tool, hasher })
     if (kp) {
       let address
@@ -809,7 +812,7 @@ class TicCrypto {
    * @return {Boolean}
    * @memberof TicCrypto
    */
-  static is_chain_address ({ address }) {
+  static which_chain_address ({ address }) {
     if (/^(0x)?[\da-fA-F]{40}$/.test(address)) {
       return 'ETH'
     } else if (/^[123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz]{26,34}$/.test(address) && address.length !== 32) {
@@ -853,7 +856,7 @@ class TicCrypto {
    * @return {*}
    * @memberof TicCrypto
    */
-  static secword_to_seed ({ secword, pass }) {
+  static secword_to_seed ({ secword, pass } = {}) {
     // 遵循bip39的算法。和 ether.HDNode.mnemonic2Seed 结果一样，是64字节的种子。
     // !!! 警告，bip39.mnemonicToSeedSync 也接受不合法的 secword，只要是个string，或者是 undefined/null/0/''/false（这几个的结果都一样）
     return bip39.mnemonicToSeedSync(secword, pass).toString('hex') // 结果一致与 new BitcoreMnemonic(secword).toSeed(pass).toString('hex') 或 ethers.HDNode.mnemonic2Seed(secword)。
@@ -939,9 +942,9 @@ class TicCrypto {
    * @return {*}
    * @memberof TicCrypto
    */
-  static randomize_account ({ lang, wordCount, coin, pass, pathRoot, pathIndex, path, tool, hasher } = {}) {
+  static randomize_account ({ lang, wordCount, coin, world, pass, pathRoot, pathIndex, path, tool, hasher } = {}) {
     let secword = this.randomize_secword({ lang, wordCount })
-    return this.secword_to_account({ secword, coin, pass, pathRoot, pathIndex, path, tool, hasher })
+    return this.secword_to_account({ secword, coin, world, pass, pathRoot, pathIndex, path, tool, hasher })
   }
 
   /**