chain

chain

Display information about the currently configured blockchain.

derand chain

---

chain add

Add a new blockchain configuration to the system.

Flags

Parameter	Type	Meaning	Default
--name	string	Chain name	""
--chain-id	int	Chain ID	0
--symbol	string	Chain native coin symbol	""
--rpc	[]string	HTTP/HTTPS RPC URLs	[]
--ws-rpc	[]string	WebSocket RPC URLs	[]
--derand	string	DeRand smart contract address	""
--derand-tx	string	DeRand contract deployment transaction	""
--hash-to-prime-128	string	HashToPrime128 contract address	""
--hash-to-prime-128-tx	string	HashToPrime128 contract deployment transaction	""

Example

derand chain add --name "Sepolia" --chain-id 11155111 --symbol "ETH" \
  --rpc "https://sepolia.infura.io/v3/YOUR_KEY" \
  --derand 0x... --derand-tx 0x... --hash-to-prime-128 0x... --hash-to-prime-128-tx 0x...

---

chain add-contract

Add or update DeRand contract addresses for the current chain.

Flags

Parameter	Type	Meaning	Default
--derand	string	DeRand smart contract address	""
--derand-tx	string	DeRand contract deployment transaction	""
--derand-treasury-address	string	DeRand treasury address	""
--derand-treasury-target	string	DeRand treasury target	"0"
--hash-to-prime-128	string	HashToPrime128 contract address	""
--hash-to-prime-128-tx	string	HashToPrime128 contract deployment transaction	""

Example

derand chain add-contract --derand 0x... --hash-to-prime-128 "0x..."

---

chain add-rpc

Add new RPC endpoints to the current chain configuration.

Flags

Parameter	Type	Meaning	Default
--http	string	HTTP/HTTPS RPC endpoint	""
--ws	string	WebSocket RPC endpoint	""

Example

derand chain add-rpc --http "https://rpc.example.com" --ws "wss://rpc.example.com"

---

chain delete

Delete the target chain configuration by index.

derand chain delete <index>

Example

derand chain delete 1

---

chain ls

List all configured chains.

derand chain ls

Example

derand chain ls

---

chain remove-contract

Remove a HashToPrime128 contract from the current chain configuration.

Flags

Parameter	Type	Meaning	Default
--hash-to-prime-128-index	int	Index of HashToPrime128 contract to remove	-1

Example

derand chain remove-contract --hash-to-prime-128-index 0

---

chain remove-rpc

Remove an RPC endpoint from the current chain configuration.

Flags

Parameter	Type	Meaning	Default
--http	int	Index of HTTP/HTTPS RPC endpoint to remove	-1
--ws	int	Index of WebSocket RPC endpoint to remove	-1

Example

derand chain remove-rpc --http 0

---

chain switch

Switch to a different configured chain by index.

derand chain switch <index>

Example

derand chain switch 1