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validation.go
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validation.go
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package types
import (
"time"
sdk "github.com/cosmos/cosmos-sdk/types"
sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
)
// ValidateCampaign checks campaign is valid or not
func ValidateCampaign(campaign Campaign) error {
if _, err := sdk.AccAddressFromBech32(campaign.Creator); err != nil {
return sdkerrors.Wrapf(sdkerrors.ErrInvalidAddress, "invalid creator address (%s)", err)
}
if err := ValidateClaimType(campaign.ClaimType); err != nil {
return err
}
if err := ValidateInteractionType(campaign.Interaction); err != nil {
return err
}
if campaign.ClaimType != CLAIM_TYPE_NFT {
if err := ValidateTokens(campaign.TotalTokens, campaign.TokensPerClaim); err != nil {
return err
}
if err := ValidateTokens(campaign.TotalTokens, campaign.AvailableTokens); err != nil {
return err
}
}
if campaign.ClaimType == CLAIM_TYPE_NFT || campaign.ClaimType == CLAIM_TYPE_FT_AND_NFT {
if err := validateNFTMintDetails(campaign.NftMintDetails); err != nil {
return err
}
}
if campaign.ClaimType == CLAIM_TYPE_FT || campaign.ClaimType == CLAIM_TYPE_FT_AND_NFT {
if err := ValidateDistribution(campaign.Distribution); err != nil {
return err
}
}
if campaign.MaxAllowedClaims == 0 {
return sdkerrors.Wrapf(ErrInValidMaxAllowedClaims,
"max allowed claims must be a positive number (%d)", campaign.MaxAllowedClaims)
}
return nil
}
func ValidateDuration(t interface{}) error {
duration, ok := t.(time.Duration)
if !ok {
return sdkerrors.Wrapf(ErrInvalidDuration, "invalid value for duration: %T", t)
}
if duration.Nanoseconds() <= 0 {
return sdkerrors.Wrapf(ErrInvalidDuration,
"invalid duration %s, only accepts positive value", duration.String())
}
return nil
}
func ValidateTimestamp(t interface{}) error {
_, ok := t.(time.Time)
if !ok {
return sdkerrors.Wrapf(ErrInvalidTimestamp, "invalid timestamp: %T", t)
}
return nil
}
func ValidCampaignStatus(status CampaignStatus) bool {
if status == CAMPAIGN_STATUS_INACTIVE ||
status == CAMPAIGN_STATUS_ACTIVE || status == CAMPAIGN_STATUS_UNSPECIFIED {
return true
}
return false
}
func ValidateClaimType(claimType ClaimType) error {
if claimType == CLAIM_TYPE_FT || claimType == CLAIM_TYPE_NFT || claimType == CLAIM_TYPE_FT_AND_NFT {
return nil
}
return sdkerrors.Wrapf(ErrInvalidClaimType, "unknown claim type (%s)", claimType)
}
func ValidateClaim(claim Claim) error {
if _, err := sdk.AccAddressFromBech32(claim.Address); err != nil {
return sdkerrors.Wrapf(sdkerrors.ErrInvalidAddress, "invalid claimer address (%s)", err)
}
return nil
}
func ValidateTokens(tokensA, tokensB sdk.Coin) error {
if tokensA.IsNil() || tokensB.IsNil() {
return sdkerrors.Wrapf(
ErrInvalidTokens,
"invalid tokens, only accepts positive amount",
)
}
if !tokensA.IsValid() {
return sdkerrors.Wrapf(
ErrInvalidTokens,
"invalid tokens %s, only accepts positive amount",
tokensA.String(),
)
}
if !tokensB.IsValid() {
return sdkerrors.Wrapf(
ErrInvalidTokens,
"invalid tokens %s, only accepts positive amount",
tokensB.String(),
)
}
if tokensA.Denom != tokensB.Denom {
return sdkerrors.Wrapf(
ErrInvalidTokens,
"mismatched token denoms (%s, %s)",
tokensA.Denom,
tokensB.Denom,
)
}
return nil
}
func validateNFTMintDetails(details *NFTDetails) error {
if details == nil || len(details.Name) == 0 || len(details.DenomId) == 0 || len(details.MediaUri) == 0 {
return sdkerrors.Wrapf(
ErrInvalidNFTMintDetails,
"invalid nft mint details, details should not be nil and name, media_uri can not be empty.")
}
return nil
}
func ValidateDistribution(distribution *Distribution) error {
if distribution == nil {
return sdkerrors.Wrapf(ErrInvalidDistribution, "distribution can not be nil")
}
if !(distribution.Type == DISTRIBUTION_TYPE_STREAM || distribution.Type == DISTRIBUTION_TYPE_INSTANT) {
return sdkerrors.Wrapf(ErrInvalidClaimType, "invalid distribution type (%s)", distribution.Type)
}
if distribution.Type == DISTRIBUTION_TYPE_STREAM {
if err := ValidateDuration(distribution.StreamDuration); err != nil {
return err
}
}
return nil
}
func ValidateInteractionType(interaction InteractionType) error {
if !(interaction == INTERACTION_TYPE_BURN ||
interaction == INTERACTION_TYPE_TRANSFER || interaction == INTERACTION_TYPE_HOLD) {
return sdkerrors.Wrapf(ErrInteractionMismatch, "unknown interaction type (%s)", interaction)
}
return nil
}