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author | Brandon Millman <brandon.millman@gmail.com> | 2018-02-06 08:28:03 +0800 |
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committer | Brandon Millman <brandon.millman@gmail.com> | 2018-02-06 10:11:26 +0800 |
commit | 83d0bad3a1e6635dedb46fbd99ee1bec5246d4bf (patch) | |
tree | 626fd908627a4b6b7e48c3b7326c12a1f30c2f5f /packages/testnet-faucets/src/ts/parameter_transformer.ts | |
parent | 99b1f81e89e3ac929c7829552ea7ae19998524e9 (diff) | |
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Addressed comments and update 0xProject/types-ethereumjs-util deps
Diffstat (limited to 'packages/testnet-faucets/src/ts/parameter_transformer.ts')
-rw-r--r-- | packages/testnet-faucets/src/ts/parameter_transformer.ts | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/packages/testnet-faucets/src/ts/parameter_transformer.ts b/packages/testnet-faucets/src/ts/parameter_transformer.ts new file mode 100644 index 000000000..c5711d462 --- /dev/null +++ b/packages/testnet-faucets/src/ts/parameter_transformer.ts @@ -0,0 +1,29 @@ +import { addressUtils } from '@0xproject/utils'; +import { NextFunction, Request, Response } from 'express'; +import * as _ from 'lodash'; + +import { configs } from './configs'; +import { rpcUrls } from './rpc_urls'; +import { utils } from './utils'; + +const DEFAULT_NETWORK_ID = 42; // kovan + +export const parameterTransformer = { + transform(req: Request, res: Response, next: NextFunction) { + const recipientAddress = req.params.recipient; + if (_.isUndefined(recipientAddress) || !addressUtils.isAddress(recipientAddress)) { + res.status(400).send('INVALID_RECIPIENT_ADDRESS'); + return; + } + const lowerCaseRecipientAddress = recipientAddress.toLowerCase(); + req.params.recipient = lowerCaseRecipientAddress; + const networkId = _.get(req.query, 'networkId', DEFAULT_NETWORK_ID); + const rpcUrlIfExists = _.get(rpcUrls, networkId); + if (_.isUndefined(rpcUrlIfExists)) { + res.status(400).send('UNSUPPORTED_NETWORK_ID'); + return; + } + req.params.networkId = networkId; + next(); + }, +}; |