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melodylove-uniswap committed Nov 15, 2024
1 parent 4cf7695 commit 22c3f31
Showing 1 changed file with 27 additions and 27 deletions.
54 changes: 27 additions & 27 deletions bin/stacks/routing-lambda-stack.ts
Original file line number Diff line number Diff line change
Expand Up @@ -19,9 +19,9 @@ import * as aws_route53_targets from 'aws-cdk-lib/aws-route53-targets'

const vpcEndpointServiceMap: Record<string, string> = {
dev: 'com.amazonaws.vpce.us-east-2.vpce-svc-0945550ad67320638',
'staging': '',
staging: '',
prod: '',
};
}
const privateHostedZoneName = 'unihq.org'

export interface RoutingLambdaStackProps extends cdk.NestedStackProps {
Expand Down Expand Up @@ -87,9 +87,9 @@ export class RoutingLambdaStack extends cdk.NestedStack {
new CfnOutput(this, 'jsonRpcProviders', {
value: JSON.stringify(jsonRpcProviders),
})
const stage = process.env.STAGE || 'dev'; // Default to 'dev' if not set
const stage = process.env.STAGE || 'dev' // Default to 'dev' if not set

// TODO: Add if not dev , not create
// TODO: Add if not dev , not create
const vpc = new ec2.Vpc(this, `RoutingLambdaVPC-${stage}`, {
maxAzs: 2, // Number of availability zones
subnetConfiguration: [
Expand All @@ -105,33 +105,32 @@ export class RoutingLambdaStack extends cdk.NestedStack {
},
],
natGateways: 1, // One NAT Gateway for private subnet internet access
});
})

const publicSubnets = vpc.selectSubnets({ subnetType: ec2.SubnetType.PUBLIC });
const publicSubnets = vpc.selectSubnets({ subnetType: ec2.SubnetType.PUBLIC })
const vpcEndpoint = new ec2.InterfaceVpcEndpoint(this, `AccessUnirpcEndpoint-${stage}`, {
vpc,
service: new ec2.InterfaceVpcEndpointService(vpcEndpointServiceMap[stage], 443),
subnets: publicSubnets,
privateDnsEnabled: false, // Enable private DNS for the endpoint
});

})

// Create a private hosted zone
const hostedZone = new aws_route53.PrivateHostedZone(this, 'UniHQHostedZone', {
zoneName: privateHostedZoneName,
vpc,
});
const recordName = `routing-${stage}.${privateHostedZoneName}`; // e.g. routing-dev.unihq.org
})

const recordName = `routing-${stage}.${privateHostedZoneName}` // e.g. routing-dev.unihq.org
new aws_route53.ARecord(this, 'RoutingRecord', {
zone: hostedZone,
recordName: recordName,
target: aws_route53.RecordTarget.fromAlias(new aws_route53_targets.InterfaceVpcEndpointTarget(vpcEndpoint)),
});
})

new cdk.CfnOutput(this, 'VpcEndpointId', {
value: vpcEndpoint.vpcEndpointId,
});
})

const lambdaRole = new aws_iam.Role(this, 'RoutingLambdaRole', {
assumedBy: new aws_iam.ServicePrincipal('lambda.amazonaws.com'),
Expand All @@ -145,21 +144,22 @@ export class RoutingLambdaStack extends cdk.NestedStack {
// X-Ray for tracing
aws_iam.ManagedPolicy.fromAwsManagedPolicyName('AWSXRayDaemonWriteAccess'),
],
});
})

// Add inline policy for EC2 permissions
lambdaRole.addToPolicy(new aws_iam.PolicyStatement({
actions: [
'ec2:CreateNetworkInterface',
'ec2:DescribeNetworkInterfaces',
'ec2:DeleteNetworkInterface',
'ec2:AssignPrivateIpAddresses',
'ec2:UnassignPrivateIpAddresses'
],
resources: ['*'], // Adjust this to restrict to specific resources if needed
}));
lambdaRole.addToPolicy(
new aws_iam.PolicyStatement({
actions: [
'ec2:CreateNetworkInterface',
'ec2:DescribeNetworkInterfaces',
'ec2:DeleteNetworkInterface',
'ec2:AssignPrivateIpAddresses',
'ec2:UnassignPrivateIpAddresses',
],
resources: ['*'], // Adjust this to restrict to specific resources if needed
})
)


poolCacheBucket.grantRead(lambdaRole)
poolCacheBucket2.grantRead(lambdaRole)
poolCacheBucket3.grantRead(lambdaRole)
Expand Down Expand Up @@ -245,7 +245,7 @@ export class RoutingLambdaStack extends cdk.NestedStack {
entry: path.join(__dirname, '../../lib/handlers/index.ts'),
handler: 'quoteHandler',
vpc: vpc,
vpcSubnets: { subnetType: ec2.SubnetType.PRIVATE_WITH_EGRESS },
vpcSubnets: { subnetType: ec2.SubnetType.PRIVATE_WITH_EGRESS },
// 11/8/23: URA currently calls the Routing API with a timeout of 10 seconds.
// Set this lambda's timeout to be slightly lower to give them time to
// log the response in the event of a failure on our end.
Expand Down

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