feat: Add Flow Blockchain plugin

.env.example

@@ -184,6 +184,12 @@ WHATSAPP_BUSINESS_ACCOUNT_ID=  # Business Account ID from Facebook Business Mana
 WHATSAPP_WEBHOOK_VERIFY_TOKEN= # Custom string for webhook verification
 WHATSAPP_API_VERSION=v17.0     # WhatsApp API version (default: v17.0)
 
+# Flow Blockchain Configuration
+FLOW_ADDRESS=
+FLOW_PRIVATE_KEY=       # Private key for SHA3-256 + P256 ECDSA
+FLOW_NETWORK=           # Default: mainnet
+FLOW_ENDPOINT_URL=      # Default: https://mainnet.onflow.org
+
 # ICP
 INTERNET_COMPUTER_PRIVATE_KEY=
 INTERNET_COMPUTER_ADDRESS=

.vscode/settings.json

@@ -12,6 +12,8 @@
     "typescript.format.enable": false,
     "files.trimTrailingWhitespace": true,
     "editor.trimAutoWhitespace": true,
+    "cadence.test.maxConcurrency": 5,
+    "cadence.customConfigPath": "packages/plugin-flow/flow.json",
     "[properties]": {
         "editor.defaultFormatter": "foxundermoon.shell-format"
     },
@@ -42,4 +44,4 @@
     "[shellscript]": {
         "editor.defaultFormatter": "foxundermoon.shell-format"
     }
-}
+}

agent/package.json

@@ -33,6 +33,7 @@
         "@ai16z/plugin-coinbase": "workspace:*",
         "@ai16z/plugin-conflux": "workspace:*",
         "@ai16z/plugin-evm": "workspace:*",
+        "@ai16z/plugin-flow": "workspace:*",
         "@ai16z/plugin-goat": "workspace:*",
         "@ai16z/plugin-icp": "workspace:*",
         "@ai16z/plugin-image-generation": "workspace:*",

agent/src/index.ts

@@ -41,6 +41,7 @@ import { evmPlugin } from "@ai16z/plugin-evm";
 import { createNodePlugin } from "@ai16z/plugin-node";
 import { solanaPlugin } from "@ai16z/plugin-solana";
 import { aptosPlugin, TransferAptosToken } from "@ai16z/plugin-aptos";
+import { flowPlugin } from "@ai16z/plugin-flow";
 import { teePlugin } from "@ai16z/plugin-tee";
 import Database from "better-sqlite3";
 import fs from "fs";
@@ -408,6 +409,10 @@ export function createAgent(
                 : null,
             getSecret(character, "WALLET_SECRET_SALT") ? teePlugin : null,
             getSecret(character, "ALCHEMY_API_KEY") ? goatPlugin : null,
+            getSecret(character, "FLOW_ADDRESS") &&
+            getSecret(character, "FLOW_PRIVATE_KEY")
+                ? flowPlugin
+                : null,
             getSecret(character, "APTOS_PRIVATE_KEY") ? aptosPlugin : null,
         ].filter(Boolean),
         providers: [],

packages/plugin-flow/.gitignore

@@ -0,0 +1 @@
+imports

packages/plugin-flow/.npmignore

@@ -0,0 +1,7 @@
+*
+
+!dist/**
+!package.json
+!flow.json
+!readme.md
+!tsup.config.ts

packages/plugin-flow/README.md

@@ -0,0 +1,13 @@
+# @ai16z/plugin-flow
+
+This plugin provides basic actions and providers for interacting with the [Flow Blockchain](https://developers.flow.com/).
+
+## Actions
+
+### Transfer
+
+name: `SEND_COIN`
+
+Transfer native FLOW token/arbitrary FTs/ERC20s on Flow from agent's wallet to another EVM address or Flow address.
+
+Message sample: `Send 5 FLOW to 0xa51d7fe9e0080662`

packages/plugin-flow/eslint.config.mjs

@@ -0,0 +1,3 @@
+import eslintGlobalConfig from "../../eslint.config.mjs";
+
+export default [...eslintGlobalConfig];