native coin handling

src/components/NativeWrap.vue

@@ -0,0 +1,60 @@
+<template>
+  <v-dialog :model-value="modelValue" @update:modelValue="$emit('update:modelValue', $event)">
+    <v-card style="max-width: 25em" class="mx-auto">
+      <v-card-title>
+        <v-icon icon="mdi-location-enter" color="grey-darken-1"/>&nbsp;Wrap ETH into WETH
+      </v-card-title>
+      <v-card-item>
+        <v-text-field class="text-end" type="number" variant="outlined" :min="0" :max="balanceFloat"
+                      v-model="floatAmount" :step="balanceFloat/10">
+          <template v-slot:prepend-inner>
+            <v-btn variant="text" text="max" @click="floatAmount=balanceFloat"/>
+          </template>
+          <template v-slot:append-inner>
+            <span>ETH</span>
+          </template>
+        </v-text-field>
+        <v-card-actions>
+          <v-btn text="Cancel" @click="$emit('update:modelValue', false)"/>
+          <v-btn text="Wrap" color="red" @click="wrapNative"/>
+        </v-card-actions>
+      </v-card-item>
+    </v-card>
+  </v-dialog>
+</template>
+
+<script setup>
+import {useStore} from "@/store/store";
+import {computed, ref} from "vue";
+import {vaultContract} from "@/blockchain/contract.js"
+import {pendTransaction} from "@/blockchain/wallet.js";
+import {FixedNumber} from "ethers";
+
+const s = useStore()
+const props = defineProps(['modelValue', 'vault', 'maxAmount'])
+const emit = defineEmits(['update:modelValue'])
+const balanceFloat = computed(() => Number(props.maxAmount)/1e18)
+const floatAmount = ref(0)
+
+function wrapNative() {
+  const vaultAddr = props.vault
+  const valueStr = floatAmount.value.toString();
+  const amount = floatAmount.value === balanceFloat.value ? s.nativeBalance : // maximum
+      FixedNumber.fromString(valueStr,{decimals:18, width:256, signed: false}).value;
+  if( amount === 0n )
+    return
+  console.log('pending wrap', valueStr, amount)
+  pendTransaction(async (signer)=>{
+    const vault = await vaultContract(vaultAddr, signer)
+    return await vault.wrap(amount)
+  })
+  floatAmount.value = 0
+  emit('update:modelValue', false)
+}
+
+</script>
+
+<style scoped lang="scss">
+@use "src/styles/vars" as *;
+
+</style>