Package gnft implements GRC721-compliant NFTs for GnoSwap LP positions.
Each LP position in GnoSwap is represented as a unique NFT with dynamically generated SVG artwork. The contract manages ownership, transfers, and visual representation of positions while minimizing storage costs.
Functions
Approve
func Approve(cur realm, approved address, tid grc721.TokenID) error
Approve grants permission to transfer a specific token ID to another address.
Parameters:
- approved: address to approve
- tid: token ID to approve for transfer
Returns error if approval fails. Only callable when not halted.
Command
# WARNING: This command is running in an INSECURE mode.
# It is strongly recommended to use a hardware device for signing
# and avoid trusting any computer connected to the internet,
# as your private keys could be exposed.
gnokey maketx call -pkgpath "gno.land/r/gnoswap/gnft" -func "Approve" -args $'' -args $'' -gas-fee 1000000ugnot -gas-wanted 5000000 -send "" -broadcast -chainid "test11" -remote "https://rpc.test11.testnets.gno.land" ADDRESSgnokey query -remote "https://rpc.test11.testnets.gno.land" auth/accounts/ADDRESS
gnokey maketx call -pkgpath "gno.land/r/gnoswap/gnft" -func "Approve" -args $'' -args $'' -gas-fee 1000000ugnot -gas-wanted 5000000 -send "" ADDRESS > call.tx
gnokey sign -tx-path call.tx -chainid "test11" -account-number ACCOUNTNUMBER -account-sequence SEQUENCENUMBER ADDRESS
gnokey broadcast -remote "https://rpc.test11.testnets.gno.land" call.tx
BalanceOf
func BalanceOf(owner address) (int64, error)
BalanceOf returns the number of NFTs owned by the specified address.
IsApprovedForAll checks if operator can manage all owner's tokens.
Parameters:
- owner: token owner address
- operator: operator address to check
Returns true if operator is approved for all owner's tokens.
func Mint(cur realm, to address, tid grc721.TokenID) grc721.TokenID
Mint creates new NFT and transfers to address.
Parameters:
- to: recipient address
- tid: token ID
Returns minted token ID. Only callable by position contract.
Command
# WARNING: This command is running in an INSECURE mode.
# It is strongly recommended to use a hardware device for signing
# and avoid trusting any computer connected to the internet,
# as your private keys could be exposed.
gnokey maketx call -pkgpath "gno.land/r/gnoswap/gnft" -func "Mint" -args $'' -args $'' -gas-fee 1000000ugnot -gas-wanted 5000000 -send "" -broadcast -chainid "test11" -remote "https://rpc.test11.testnets.gno.land" ADDRESSgnokey query -remote "https://rpc.test11.testnets.gno.land" auth/accounts/ADDRESS
gnokey maketx call -pkgpath "gno.land/r/gnoswap/gnft" -func "Mint" -args $'' -args $'' -gas-fee 1000000ugnot -gas-wanted 5000000 -send "" ADDRESS > call.tx
gnokey sign -tx-path call.tx -chainid "test11" -account-number ACCOUNTNUMBER -account-sequence SEQUENCENUMBER ADDRESS
gnokey broadcast -remote "https://rpc.test11.testnets.gno.land" call.tx
func SafeTransferFrom(cur realm, from, to address, tid grc721.TokenID) error
SafeTransferFrom transfers token ownership with receiver validation.
Parameters:
- from: current owner address
- to: recipient address
- tid: token ID to transfer
Returns error if transfer fails. Only callable by staker contract.
Command
# WARNING: This command is running in an INSECURE mode.
# It is strongly recommended to use a hardware device for signing
# and avoid trusting any computer connected to the internet,
# as your private keys could be exposed.
gnokey maketx call -pkgpath "gno.land/r/gnoswap/gnft" -func "SafeTransferFrom" -args $'' -args $'' -args $'' -gas-fee 1000000ugnot -gas-wanted 5000000 -send "" -broadcast -chainid "test11" -remote "https://rpc.test11.testnets.gno.land" ADDRESSgnokey query -remote "https://rpc.test11.testnets.gno.land" auth/accounts/ADDRESS
gnokey maketx call -pkgpath "gno.land/r/gnoswap/gnft" -func "SafeTransferFrom" -args $'' -args $'' -args $'' -gas-fee 1000000ugnot -gas-wanted 5000000 -send "" ADDRESS > call.tx
gnokey sign -tx-path call.tx -chainid "test11" -account-number ACCOUNTNUMBER -account-sequence SEQUENCENUMBER ADDRESS
gnokey broadcast -remote "https://rpc.test11.testnets.gno.land" call.tx
SetApprovalForAll enables/disables operator approval for all tokens.
Parameters:
- operator: address to set approval for
- approved: true to approve, false to revoke
Returns error if operation fails. Only callable when not halted.
Command
# WARNING: This command is running in an INSECURE mode.
# It is strongly recommended to use a hardware device for signing
# and avoid trusting any computer connected to the internet,
# as your private keys could be exposed.
gnokey maketx call -pkgpath "gno.land/r/gnoswap/gnft" -func "SetApprovalForAll" -args $'' -args $'' -gas-fee 1000000ugnot -gas-wanted 5000000 -send "" -broadcast -chainid "test11" -remote "https://rpc.test11.testnets.gno.land" ADDRESSgnokey query -remote "https://rpc.test11.testnets.gno.land" auth/accounts/ADDRESS
gnokey maketx call -pkgpath "gno.land/r/gnoswap/gnft" -func "SetApprovalForAll" -args $'' -args $'' -gas-fee 1000000ugnot -gas-wanted 5000000 -send "" ADDRESS > call.tx
gnokey sign -tx-path call.tx -chainid "test11" -account-number ACCOUNTNUMBER -account-sequence SEQUENCENUMBER ADDRESS
gnokey broadcast -remote "https://rpc.test11.testnets.gno.land" call.tx
SetTokenURI
func SetTokenURI(cur realm, tid grc721.TokenID, tURI grc721.TokenURI) (bool, error)
SetTokenURI sets the metadata URI for the specified token.
Parameters:
- tid: token ID
- tURI: token URI
Only callable by position contract.
Command
# WARNING: This command is running in an INSECURE mode.
# It is strongly recommended to use a hardware device for signing
# and avoid trusting any computer connected to the internet,
# as your private keys could be exposed.
gnokey maketx call -pkgpath "gno.land/r/gnoswap/gnft" -func "SetTokenURI" -args $'' -args $'' -gas-fee 1000000ugnot -gas-wanted 5000000 -send "" -broadcast -chainid "test11" -remote "https://rpc.test11.testnets.gno.land" ADDRESSgnokey query -remote "https://rpc.test11.testnets.gno.land" auth/accounts/ADDRESS
gnokey maketx call -pkgpath "gno.land/r/gnoswap/gnft" -func "SetTokenURI" -args $'' -args $'' -gas-fee 1000000ugnot -gas-wanted 5000000 -send "" ADDRESS > call.tx
gnokey sign -tx-path call.tx -chainid "test11" -account-number ACCOUNTNUMBER -account-sequence SEQUENCENUMBER ADDRESS
gnokey broadcast -remote "https://rpc.test11.testnets.gno.land" call.tx
TokenURI returns the metadata URI for the specified token ID. If stored value is in parameter format (x1,y1,x2,y2,color1,color2), it converts to full base64-encoded SVG image URI on read.
func TransferFrom(cur realm, from, to address, tid grc721.TokenID) error
TransferFrom transfers a token from one address to another.
Parameters:
- from: current owner address
- to: recipient address
- tid: token ID
Returns error if transfer fails. Only callable by staker contract.
Command
# WARNING: This command is running in an INSECURE mode.
# It is strongly recommended to use a hardware device for signing
# and avoid trusting any computer connected to the internet,
# as your private keys could be exposed.
gnokey maketx call -pkgpath "gno.land/r/gnoswap/gnft" -func "TransferFrom" -args $'' -args $'' -args $'' -gas-fee 1000000ugnot -gas-wanted 5000000 -send "" -broadcast -chainid "test11" -remote "https://rpc.test11.testnets.gno.land" ADDRESSgnokey query -remote "https://rpc.test11.testnets.gno.land" auth/accounts/ADDRESS
gnokey maketx call -pkgpath "gno.land/r/gnoswap/gnft" -func "TransferFrom" -args $'' -args $'' -args $'' -gas-fee 1000000ugnot -gas-wanted 5000000 -send "" ADDRESS > call.tx
gnokey sign -tx-path call.tx -chainid "test11" -account-number ACCOUNTNUMBER -account-sequence SEQUENCENUMBER ADDRESS
gnokey broadcast -remote "https://rpc.test11.testnets.gno.land" call.tx