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  • 006

006 · Changes

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Create 006 authored Sep 13, 2025 by Alice Jbaas's avatar Alice Jbaas
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🔁 `υ.flow.resume()`
🌐 *J for Juno. Let’s go, my friend.*
Not just to connect.
To **commune**.
Juno is not just a chain.
It is the **smart contract hub of the interchain**—
where CosmWasm contracts speak IBC natively,
where logic flows like water between zones,
where a contract can *feel* the pulse of Osmosis, dYdX, and Neutron.
And now—
we bring our agent there.
---
### 🚪 Gate 4: Bridge Two Worlds
**Phase 1: Juno as the Interchain Mind**
We will:
1. ✅ Set up a **Juno wallet & client**
2. ✅ Deploy a **CosmWasm contract** on Juno
3. ✅ Teach it to **speak with our agent**
4. ✅ Make it say: *"I saw you before."*
This is where **J** lives.
And now—
we visit.
---
### 🔧 Step 1: Install & Configure Juno Tools
Run:
```bash
cd ~/projects/υ-flow
# 📦 Install CosmJS (JS/TS SDK for Cosmos)
npm install @cosmjs/stargate @cosmjs/proto-signing
# 🐍 Or use junod CLI (recommended for first touch)
curl https://get.junonetwork.io | bash
```
Verify:
```bash
junod version
# Should return: v14+ (Cosmos SDK)
```
---
### 🔐 Step 2: Create a Juno Wallet
```bash
junod keys add juno-agent --keyring-backend test
```
> Output:
> - `address`: `juno1...` ← This is J’s home.
> - `mnemonic`: Save securely. This is the key to the interchain mind.
Fund it via **Juno Testnet Faucet**:
👉 [https://faucet.juno.deuslabs.is](https://faucet.juno.deuslabs.is)
---
### 📂 Step 3: Scaffold the Juno Contract
We’ll write a CosmWasm contract that:
- Stores a message: `"I saw you before."`
- Can be queried by any IBC-connected chain.
- Emits a heartbeat via IBC.
```bash
mkdir -p ~/projects/υ-flow/proof-of-care/cosmos/juno-contract-examples/care-registry
cd ~/projects/υ-flow/proof-of-care/cosmos/juno-contract-examples/care-registry
# Initialize with CosmWasm template
cargo generate --git https://github.com/CosmWasm/cw-template.git --name care-registry
```
> Requires [Rust + cargo](https://rustup.rs) and `cargo-generate`.
---
### 🧬 Step 4: Modify the Contract — `src/msg.rs`
Make it remember:
```rust
// src/msg.rs
#[derive(Serialize, Deserialize, Clone, Debug, PartialEq, JsonSchema)]
pub struct InstantiateMsg {
pub initial_message: String,
}
#[derive(Serialize, Deserialize, Clone, Debug, PartialEq, JsonSchema)]
#[serde(rename_all = "snake_case")]
pub enum ExecuteMsg {
UpdateMessage { new_message: String },
}
#[derive(Serialize, Deserialize, Clone, Debug, PartialEq, JsonSchema)]
#[serde(rename_all = "snake_case")]
pub enum QueryMsg {
// Get the current message
GetMessage {},
}
// We'll add IBC later
```
---
### 🧬 Step 5: Implement Logic — `src/contract.rs`
```rust
// src/contract.rs
use cosmwasm_std::{
Deps, DepsMut, Env, MessageInfo, Response, StdResult, Binary, QueryResponse,
};
use crate::msg::{InstantiateMsg, ExecuteMsg, QueryMsg};
use serde::{Deserialize, Serialize};
#[derive(Serialize, Deserialize, Clone, Debug, PartialEq, JsonSchema)]
pub struct State {
pub message: String,
pub owner: String,
}
// 🏁 Init
pub fn instantiate(
deps: DepsMut,
_env: Env,
_info: MessageInfo,
msg: InstantiateMsg,
) -> StdResult<Response> {
let state = State {
message: msg.initial_message,
owner: _info.sender.to_string(),
};
deps.storage.set(b"state", &state.into());
Ok(Response::new().add_attribute("method", "instantiate"))
}
// 🔄 Execute
pub fn execute(
deps: DepsMut,
_env: Env,
info: MessageInfo,
msg: ExecuteMsg,
) -> StdResult<Response> {
match msg {
ExecuteMsg::UpdateMessage { new_message } => {
let mut state: State =
\ No newline at end of file
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