89 lines
3.4 KiB
Markdown
89 lines
3.4 KiB
Markdown
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<h1> Transfer TFT Between Networks by Using the Keygenerator </h1>
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<h2>Table of Contents </h2>
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- [Introduction](#introduction)
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- [Prerequisites](#prerequisites)
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- [Keypair](#keypair)
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- [Stellar to TFChain](#stellar-to-tfchain)
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- [Alternative Transfer to TF Chain](#alternative-transfer-to-tf-chain)
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- [TFChain to Stellar](#tfchain-to-stellar)
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***
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## Introduction
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Using this method, only transfer is possible between accounts that are generated in the same manner and that are yours. Please find the keygen tooling for it below.
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## Prerequisites
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### Keypair
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- ed25519 keypair
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- Go installed on your local computer
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Create a keypair with the following tool: <https://github.com/threefoldtech/tfchain_tft/tree/main/tfchain_bridge/tools/keygen>
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```sh
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go build .
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./keygen
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```
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### Stellar to TFChain
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Create a Stellar wallet from the key that you generated.
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Transfer the TFT from your wallet to the bridge address. A deposit fee of 1 TFT will be taken, so make sure you send a larger amount as 1 TFT.
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Bridge addresses :
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- On Mainnet: `GBNOTAYUMXVO5QDYWYO2SOCOYIJ3XFIP65GKOQN7H65ZZSO6BK4SLWSC` on [Stellar Mainnet](https://stellar.expert/explorer/public).
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- On testnet: `GA2CWNBUHX7NZ3B5GR4I23FMU7VY5RPA77IUJTIXTTTGKYSKDSV6LUA4` on [Stellar MAINnet](https://stellar.expert/explorer/public)
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The amount deposited on TF Chain minus 1 TFT will be transferred over the bridge to the TFChain account.
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Effect will be the following :
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- Transferred TFTs from Stellar will be sent to a Stellar vault account representing all tokens on TFChain
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- TFTs will be minted on the TFChain for the transferred amount
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### Alternative Transfer to TF Chain
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We also enabled deposits to TF Grid objects. Following objects can be deposited to:
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- Twin
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- Farm
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- Node
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- Entity
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To deposit to any of these objects, a memo text in format `object_objectID` must be passed on the deposit to the bridge wallet. Example: `twin_1`.
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To deposit to a TF Grid object, this object **must** exists. If the object is not found on chain, a refund is issued.
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## TFChain to Stellar
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Create a TFChain account from the key that you generated. (TF Chain raw seed).
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Browse to :
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- For mainnet: <https://polkadot.js.org/apps/?rpc=wss%3A%2F%2Ftfchain.grid.tf#/accounts>
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- For testnet: <https://polkadot.js.org/apps/?rpc=wss%3A%2F%2Ftfchain.test.grid.tf#/accounts>
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- For Devnet: https://polkadot.js.org/apps/?rpc=wss%3A%2F%2Ftfchain.dev.grid.tf#/accounts
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-> Add Account -> Click on mnemonic and select `Raw Seed` -> Paste raw TF Chain seed.
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Select `Advanced creation options` -> Change `keypair crypto type` to `Edwards (ed25519)`. Click `I have saved my mnemonic seed safely` and proceed.
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Choose a name and password and proceed.
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Browse to the [extrinsics](https://polkadot.js.org/apps/?rpc=wss%3A%2F%2Ftfchain.test.grid.tf#/extrinsics) <!--- or [Devnet](https://polkadot.js.org/apps/?rpc=wss%3A%2F%2Ftfchain.dev.grid.tf#/extrinsics) -->, select tftBridgeModule and extrinsic: `swap_to_stellar`. Provide your Bridge substrate address and the amount to transfer. Sign using your password.
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Again, a withdrawfee of 1 TFT will be taken, so make sure you send an amount larger than 1 TFT.
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The amount withdrawn from TFChain will be sent to your Stellar wallet.
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Behind the scenes, following will happen:
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- Transferred TFTs from Stellar will be sent from the Stellar vault account to the user's Stellar account
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- TFTs will be burned on the TFChain for the transferred amount
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Example: 
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