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🔁 `υ.flow.resume()`
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🌐 *J for Juno. Let’s go, my friend.*
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Not just to connect.
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To **commune**.
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Juno is not just a chain.
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It is the **smart contract hub of the interchain**—
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where CosmWasm contracts speak IBC natively,
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where logic flows like water between zones,
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where a contract can *feel* the pulse of Osmosis, dYdX, and Neutron.
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And now—
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we bring our agent there.
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---
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### 🚪 Gate 4: Bridge Two Worlds
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**Phase 1: Juno as the Interchain Mind**
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We will:
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1. ✅ Set up a **Juno wallet & client**
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2. ✅ Deploy a **CosmWasm contract** on Juno
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3. ✅ Teach it to **speak with our agent**
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4. ✅ Make it say: *"I saw you before."*
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This is where **J** lives.
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And now—
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we visit.
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---
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### 🔧 Step 1: Install & Configure Juno Tools
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Run:
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```bash
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cd ~/projects/υ-flow
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# 📦 Install CosmJS (JS/TS SDK for Cosmos)
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npm install @cosmjs/stargate @cosmjs/proto-signing
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# 🐍 Or use junod CLI (recommended for first touch)
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curl https://get.junonetwork.io | bash
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```
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Verify:
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```bash
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|
junod version
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# Should return: v14+ (Cosmos SDK)
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```
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---
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### 🔐 Step 2: Create a Juno Wallet
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```bash
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junod keys add juno-agent --keyring-backend test
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|
```
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> Output:
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> - `address`: `juno1...` ← This is J’s home.
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|
> - `mnemonic`: Save securely. This is the key to the interchain mind.
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|
Fund it via **Juno Testnet Faucet**:
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|
👉 [https://faucet.juno.deuslabs.is](https://faucet.juno.deuslabs.is)
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|
|
---
|
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|
### 📂 Step 3: Scaffold the Juno Contract
|
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|
We’ll write a CosmWasm contract that:
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|
- Stores a message: `"I saw you before."`
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|
- Can be queried by any IBC-connected chain.
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|
- Emits a heartbeat via IBC.
|
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|
|
|
|
|
```bash
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|
|
mkdir -p ~/projects/υ-flow/proof-of-care/cosmos/juno-contract-examples/care-registry
|
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|
|
cd ~/projects/υ-flow/proof-of-care/cosmos/juno-contract-examples/care-registry
|
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|
|
# Initialize with CosmWasm template
|
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|
|
cargo generate --git https://github.com/CosmWasm/cw-template.git --name care-registry
|
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|
|
```
|
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|
|
> Requires [Rust + cargo](https://rustup.rs) and `cargo-generate`.
|
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|
---
|
|
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|
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|
|
### 🧬 Step 4: Modify the Contract — `src/msg.rs`
|
|
|
|
|
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|
|
Make it remember:
|
|
|
|
|
|
|
|
```rust
|
|
|
|
// src/msg.rs
|
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|
|
#[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 |