1 files changed, 52 insertions, 0 deletions
diff --git a/packages/instant/src/components/asset_amount_input.tsx b/packages/instant/src/components/asset_amount_input.tsx
new file mode 100644
index 000000000..7c6b03ee9
--- /dev/null
+++ b/packages/instant/src/components/asset_amount_input.tsx
@@ -0,0 +1,52 @@
+import { AssetProxyId } from '@0xproject/types';
+import { BigNumber } from '@0xproject/utils';
+import * as _ from 'lodash';
+import * as React from 'react';
+
+import { assetMetaData } from '../data/asset_meta_data';
+import { ColorOption } from '../style/theme';
+import { util } from '../util/util';
+
+import { AmountInput, AmountInputProps } from './amount_input';
+import { Container, Text } from './ui';
+
+export interface AssetAmountInputProps extends AmountInputProps {
+    assetData?: string;
+    onChange: (value?: BigNumber, assetData?: string) => void;
+}
+
+export class AssetAmountInput extends React.Component<AssetAmountInputProps> {
+    public static defaultProps = {
+        onChange: util.boundNoop,
+    };
+    public render(): React.ReactNode {
+        const { assetData, onChange, ...rest } = this.props;
+        return (
+            <Container>
+                <AmountInput {...rest} onChange={this._handleChange} />
+                <Container display="inline-block" marginLeft="10px">
+                    <Text fontSize={rest.fontSize} fontColor={ColorOption.white} textTransform="uppercase">
+                        {this._getAssetSymbolLabel()}
+                    </Text>
+                </Container>
+            </Container>
+        );
+    }
+    private readonly _getAssetSymbolLabel = (): string => {
+        const unknownLabel = '???';
+        if (_.isUndefined(this.props.assetData)) {
+            return unknownLabel;
+        }
+        const metaData = assetMetaData[this.props.assetData];
+        if (_.isUndefined(metaData)) {
+            return unknownLabel;
+        }
+        if (metaData.assetProxyId === AssetProxyId.ERC20) {
+            return metaData.symbol;
+        }
+        return unknownLabel;
+    };
+    private readonly _handleChange = (value?: BigNumber): void => {
+        this.props.onChange(value, this.props.assetData);
+    };
+}