Dhutch/faucet cronjob

README.md

@@ -44,6 +44,7 @@ The charts are published to the OCI registry at `oci://us-west1-docker.pkg.dev/d
 - [op-tx-overload](./charts/op-tx-overload/README.md) - Generate load on Optimism Bedrock using transactions with random calldata.
 - [op-ufm](./charts/op-ufm/README.md) - A Helm chart for OP User Facing Monitoring
 - [optics-keymaster](./charts/optics-keymaster/README.md) - Optics Keymaster
+- [periodic-chain-call](./charts/periodic-chain-call/README.md) - Calls a blockchain smart contract function on a schedule
 - [prysm](./charts/prysm/README.md) - Go implementation of Ethereum proof of stake.
 - [rosetta](./charts/rosetta/README.md) - Rosetta Client for Celo Networks
 - [safe-client-gateway](./charts/safe-client-gateway/README.md) - Helm chart for deploying Celo Safe Client Gateway

charts/periodic-chain-call/Chart.yaml

@@ -0,0 +1,21 @@
+---
+name: periodic-chain-call
+apiVersion: v2
+version: 0.1.0
+description: Calls a blockchain smart contract function on a schedule
+home: https://clabs.co
+sources:
+  - https://celo.org
+  - https://docs.celo.org
+  - https://clabs.co
+  - https://github.com/celo-org
+keywords:
+  - celo
+  - blockchain
+maintainers:
+  - name: cLabs
+    email: [email protected]
+    url: https://clabs.co
+type: application
+icon: https://pbs.twimg.com/profile_images/1613170131491848195/InjXBNx9_400x400.jpg
+appVersion: v1.0.0

charts/periodic-chain-call/README.md

@@ -0,0 +1,39 @@
+# periodic-chain-call
+
+![Version: 0.1.0](https://img.shields.io/badge/Version-0.1.0-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: v1.0.0](https://img.shields.io/badge/AppVersion-v1.0.0-informational?style=flat-square)
+
+Calls a blockchain smart contract function on a schedule
+
+**Homepage:** <https://clabs.co>
+
+## Maintainers
+
+| Name | Email | Url |
+| ---- | ------ | --- |
+| cLabs | <[email protected]> | <https://clabs.co> |
+
+## Source Code
+
+* <https://celo.org>
+* <https://docs.celo.org>
+* <https://clabs.co>
+* <https://github.com/celo-org>
+
+## Values
+
+| Key | Type | Default | Description |
+|-----|------|---------|-------------|
+| contractAddress | string | `"0x78Af211Ad79bCE6BF636640CE8c2C2b29e02365A"` | Address of the L2 CeloDistributionSchedule contract |
+| functionArgs | string | `""` | Args to pass to function |
+| functionSignature | string | `"distributeAccordingToSchedule()(bool)"` | Signature of function to call |
+| image.pullPolicy | string | `"IfNotPresent"` |  |
+| image.repository | string | `"ghcr.io/foundry-rs/foundry"` |  |
+| image.tag | string | `"latest"` |  |
+| rpcURL | string | `"https://forno.dango.celo-testnet.org"` | RPC URL for L2 blockchain |
+| schedule | string | `"0 0 * * *"` |  |
+| senderKey | object | `{"value":""}` | Private key of the sender account (for signing transactions) |
+| serviceAccount.annotations | object | `{}` |  |
+| serviceAccount.create | bool | `true` |  |
+
+----------------------------------------------
+Autogenerated from chart metadata using [helm-docs](https://github.com/norwoodj/helm-docs). To regenerate run `helm-docs` command at this folder.

charts/periodic-chain-call/README.md.gotmpl

@@ -0,0 +1,19 @@
+{{ template "chart.header" . }}
+{{ template "chart.deprecationWarning" . }}
+
+{{ template "chart.badgesSection" . }}
+
+{{ template "chart.description" . }}
+
+{{ template "chart.homepageLine" . }}
+
+{{ template "chart.maintainersSection" . }}
+
+{{ template "chart.sourcesSection" . }}
+
+{{ template "chart.requirementsSection" . }}
+
+{{ template "chart.valuesSection" . }}
+
+----------------------------------------------
+Autogenerated from chart metadata using [helm-docs](https://github.com/norwoodj/helm-docs). To regenerate run `helm-docs` command at this folder.

charts/periodic-chain-call/templates/_helpers.tpl

@@ -0,0 +1,76 @@
+{{/* vim: set filetype=mustache: */}}
+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "periodic-chain-call.name" -}}
+{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+
+{{/*
+Create a default fully qualified app name.
+We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
+If release name contains chart name it will be used as a full name.
+*/}}
+{{- define "periodic-chain-call.fullname" -}}
+{{- if .Values.fullnameOverride -}}
+{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" -}}
+{{- else -}}
+{{- $name := default .Chart.Name .Values.nameOverride -}}
+{{- if contains $name .Release.Name -}}
+{{- .Release.Name | trunc 63 | trimSuffix "-" -}}
+{{- else -}}
+{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+{{- end -}}
+{{- end -}}
+
+{{/*
+Create chart name and version as used by the chart label.
+*/}}
+{{- define "periodic-chain-call.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+
+{{/*
+Create the name of the service account to use
+*/}}
+{{- define "periodic-chain-call.serviceAccountName" -}}
+{{- if .Values.serviceAccount.create }}
+{{- default (include "periodic-chain-call.fullname" .) .Values.serviceAccount.name }}
+{{- else }}
+{{- default "default" .Values.serviceAccount.name }}
+{{- end }}
+{{- end }}
+
+{{/*
+Common labels
+*/}}
+{{- define "periodic-chain-call.labels" -}}
+helm.sh/chart: {{ include "periodic-chain-call.chart" . }}
+{{ include "periodic-chain-call.selectorLabels" . }}
+{{- if .Chart.AppVersion }}
+app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
+{{- end }}
+app.kubernetes.io/managed-by: {{ .Release.Service }}
+{{- end }}
+
+{{/*
+Selector labels
+*/}}
+{{- define "periodic-chain-call.selectorLabels" -}}
+app.kubernetes.io/name: {{ include "periodic-chain-call.name" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+{{- end }}
+
+{{- define "periodic-chain-call.healthcheck" -}}
+{{- $context := index . 0 }}
+{{- $root := index . 1 }}
+{{- if and $root.exec (kindIs "string" $root.exec.command) }}
+{{- omit $root "enabled" "exec" | toYaml }}
+exec:
+  command:
+		{{- tpl $root.exec.command $context | nindent 4 }}
+{{- else }}
+{{- omit $root "enabled" | toYaml }}
+{{- end }}
+{{- end }}

charts/periodic-chain-call/templates/cronjob.yaml

@@ -0,0 +1,31 @@
+apiVersion: batch/v1
+kind: CronJob
+metadata:
+  name: {{ .Release.Name }}
+  labels:
+    {{- include "periodic-chain-call.labels" . | nindent 4 }}
+    component: periodic-chain-call
+spec:
+  schedule: "{{ .Values.schedule }}"
+  concurrencyPolicy: Forbid
+  jobTemplate:
+    spec:
+      backoffLimit: 0
+      template:
+        metadata:
+          labels:
+            {{- include "periodic-chain-call.labels" . | nindent 12 }}
+        spec:
+          serviceAccountName: {{ include "periodic-chain-call.serviceAccountName" . }}
+          initContainers:
+          containers:
+          - name: distribute-call
+            image: {{ .Values.image.repository }}:{{ .Values.image.tag }}
+            imagePullPolicy: {{ .Values.image.pullPolicy }}
+            command:
+            - /bin/sh
+            - -c
+            args:
+            - |
+              {{- include (print $.Template.BasePath "/scripts/_call.tpl") . | nindent 14 }}
+          restartPolicy: Never

charts/periodic-chain-call/templates/scripts/_call.tpl

@@ -0,0 +1,10 @@
+{{- if .Values.senderKey.value }}
+sender_address=$(cast wallet address --private-key {{ .Values.senderKey.value }})
+balance=$(cast balance --rpc-url {{ .Values.rpcURL}} $sender_address)
+
+echo "Sending address $sender_address has $balance account balance"
+
+cast send --private-key "{{ .Values.senderKey.value  }}" --rpc-url "{{ .Values.rpcURL }}" "{{ .Values.contractAddress }}" "{{ .Values.functionSignature }}" "{{ .Values.functionArgs }}"
+{{- else }}
+cast call --rpc-url {{ .Values.rpcURL }} "{{ .Values.contractAddress }}" "{{ .Values.functionSignature }}" "{{ .Values.functionArgs }}"
+{{- end }}

charts/periodic-chain-call/templates/serviceaccount.yaml

@@ -0,0 +1,10 @@
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: {{ include "periodic-chain-call.serviceAccountName" . }}
+  labels:
+    {{- include "periodic-chain-call.labels" . | nindent 4 }}
+  {{- with .Values.serviceAccount.annotations }}
+  annotations:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}

charts/periodic-chain-call/values.yaml

@@ -0,0 +1,22 @@
+---
+serviceAccount:
+  create: true
+  annotations: {}
+schedule: "0 0 * * *"  # -- Run every day at midnight
+# -- RPC URL for L2 blockchain
+rpcURL: https://forno.dango.celo-testnet.org
+# -- Address of the L2 CeloDistributionSchedule contract
+contractAddress: "0x78Af211Ad79bCE6BF636640CE8c2C2b29e02365A"
+# -- Signature of function to call
+functionSignature: "distributeAccordingToSchedule()(bool)"
+# -- Args to pass to function
+functionArgs: ""
+# -- Private key of the sender account (for signing transactions)
+senderKey:
+  value: ""
+    # secretName: test
+    # secretKey: test
+image:
+  repository: ghcr.io/foundry-rs/foundry
+  tag: latest
+  pullPolicy: IfNotPresent