增量流程处理

src/components/ProofItem.vue

@@ -102,7 +102,7 @@ export default class ProofItem extends Vue {
   private editIncrementProof(incrementProof: any, currentIndex: number) {
     const preProof = this.incrementList.length < 2
                       ? this.proof
-                      : this.incrementList.find( (proof, index) => index === (currentIndex - 1));
+                      : this.incrementList[currentIndex + 1];
     return {
       incrementProof,
       baseProof: this.proof,

src/views/proof/Index.vue

@@ -122,6 +122,9 @@ export default class Index extends Vue {
     id: '',
     name: '',
   };
+
+  private baseProof: any = '';
+  private preProof: any = '';
   private isZengliang: boolean = false;
   private async addProofHandler() {
     let query: any = {
@@ -129,14 +132,7 @@ export default class Index extends Vue {
       proofName: this.proofName,
     };
     if ( this.isZengliang ) {
-      let preProof = null;
-      if (this.currentProof.increment_num > 0) {
-        const incrementProofListResult  =  await this.$api.proof.incrementList(this.currentProof.hash);
-        preProof = (incrementProofListResult.results || [])[0];
-      } else {
-        preProof = this.currentProof;
-      }
-      query = {...query, baseProof: JSON.stringify(this.currentProof), preProof: JSON.stringify(preProof)};
+      query = {...query, baseProof: JSON.stringify(this.baseProof), preProof: JSON.stringify(this.preProof)};
     }
     this.$router.push({ name: 'ProofDetail', query});
   }
@@ -296,7 +292,20 @@ export default class Index extends Vue {
   private goToBROWSER(proof: any) {
     location.href = process.env.VUE_APP_BROWSER + `/product?hash=${proof.hash}`;
   }
-  private increment(proof: any) {
+  private async increment(proof: any) {
+    const { increment_num } = proof;
+    if ( increment_num > 0 ) {
+      const { results } = await this.$api.proof.incrementList(this.currentProof.hash);
+      const preProof = results[0];
+      if (!preProof.hash) {
+        this.$toast('请先上链上一条存证');
+        return Promise.reject('请先上链上一条存证');
+      }
+      this.preProof = preProof;
+    } else {
+      this.preProof = proof;
+    }
+    this.baseProof = proof;
     this.showAddProof = true;
     this.isZengliang = true;
   }